Home / 900,125.01-1,242,160.52-512,963.46

Finding the Fourth Proportional to 900,125.01, 1,242,160.52 and 512,963.46

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Solution

The fourth proportional to 900,125.01, 1,242,160.52 and 512,963.46 is: 707,882.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,125.01 : 1,242,160.52 = 512,963.46 : x
  2. Step 2: Convert to fraction form
    900,125.01/1,242,160.52 = 512,963.46/x
  3. Step 3: Cross multiply
    900,125.01x = 1,242,160.52 × 512,963.46
  4. Step 4: Simplify right side
    900,125.01x = 637,182,955,649.78
  5. Step 5: Solve for x
    x = 637,182,955,649.78/900,125.01
  6. Step 6: Final answer
    x = 707,882.74

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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.