Home / 738,225.40-1,107,338.10-401,427.40

Finding the Fourth Proportional to 738,225.40, 1,107,338.10 and 401,427.40

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Solution

The fourth proportional to 738,225.40, 1,107,338.10 and 401,427.40 is: 602,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,225.40 : 1,107,338.10 = 401,427.40 : x
  2. Step 2: Convert to fraction form
    738,225.40/1,107,338.10 = 401,427.40/x
  3. Step 3: Cross multiply
    738,225.40x = 1,107,338.10 × 401,427.40
  4. Step 4: Simplify right side
    738,225.40x = 444,515,854,403.94
  5. Step 5: Solve for x
    x = 444,515,854,403.94/738,225.40
  6. Step 6: Final answer
    x = 602,141.10

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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.