Home / 738,537.60-1,108,243.80-538,354.20

Finding the Fourth Proportional to 738,537.60, 1,108,243.80 and 538,354.20

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Solution

The fourth proportional to 738,537.60, 1,108,243.80 and 538,354.20 is: 807,850.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,537.60 : 1,108,243.80 = 538,354.20 : x
  2. Step 2: Convert to fraction form
    738,537.60/1,108,243.80 = 538,354.20/x
  3. Step 3: Cross multiply
    738,537.60x = 1,108,243.80 × 538,354.20
  4. Step 4: Simplify right side
    738,537.60x = 596,627,704,353.96
  5. Step 5: Solve for x
    x = 596,627,704,353.96/738,537.60
  6. Step 6: Final answer
    x = 807,850.14

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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.