Home / 899,400.60-1,241,151.66-491,484.60

Finding the Fourth Proportional to 899,400.60, 1,241,151.66 and 491,484.60

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Solution

The fourth proportional to 899,400.60, 1,241,151.66 and 491,484.60 is: 678,237.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,400.60 : 1,241,151.66 = 491,484.60 : x
  2. Step 2: Convert to fraction form
    899,400.60/1,241,151.66 = 491,484.60/x
  3. Step 3: Cross multiply
    899,400.60x = 1,241,151.66 × 491,484.60
  4. Step 4: Simplify right side
    899,400.60x = 610,006,927,154.44
  5. Step 5: Solve for x
    x = 610,006,927,154.44/899,400.60
  6. Step 6: Final answer
    x = 678,237.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.