Home / 988,897.40-1,483,346.10-491,233.40

Finding the Fourth Proportional to 988,897.40, 1,483,346.10 and 491,233.40

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Solution

The fourth proportional to 988,897.40, 1,483,346.10 and 491,233.40 is: 736,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,897.40 : 1,483,346.10 = 491,233.40 : x
  2. Step 2: Convert to fraction form
    988,897.40/1,483,346.10 = 491,233.40/x
  3. Step 3: Cross multiply
    988,897.40x = 1,483,346.10 × 491,233.40
  4. Step 4: Simplify right side
    988,897.40x = 728,669,148,079.74
  5. Step 5: Solve for x
    x = 728,669,148,079.74/988,897.40
  6. Step 6: Final answer
    x = 736,850.10

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.