Home / 501,581.38-692,182.20-286,726.06

Finding the Fourth Proportional to 501,581.38, 692,182.20 and 286,726.06

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Solution

The fourth proportional to 501,581.38, 692,182.20 and 286,726.06 is: 395,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,581.38 : 692,182.20 = 286,726.06 : x
  2. Step 2: Convert to fraction form
    501,581.38/692,182.20 = 286,726.06/x
  3. Step 3: Cross multiply
    501,581.38x = 692,182.20 × 286,726.06
  4. Step 4: Simplify right side
    501,581.38x = 198,466,675,008.13
  5. Step 5: Solve for x
    x = 198,466,675,008.13/501,581.38
  6. Step 6: Final answer
    x = 395,681.90

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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.