Home / 738,259.30-1,107,064.95-338,767.30

Finding the Fourth Proportional to 738,259.30, 1,107,064.95 and 338,767.30

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Solution

The fourth proportional to 738,259.30, 1,107,064.95 and 338,767.30 is: 508,002.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,259.30 : 1,107,064.95 = 338,767.30 : x
  2. Step 2: Convert to fraction form
    738,259.30/1,107,064.95 = 338,767.30/x
  3. Step 3: Cross multiply
    738,259.30x = 1,107,064.95 × 338,767.30
  4. Step 4: Simplify right side
    738,259.30x = 375,037,404,036.14
  5. Step 5: Solve for x
    x = 375,037,404,036.14/738,259.30
  6. Step 6: Final answer
    x = 508,002.28

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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.