Home / 418,427.55-577,411.02-237,128.88

Finding the Fourth Proportional to 418,427.55, 577,411.02 and 237,128.88

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Solution

The fourth proportional to 418,427.55, 577,411.02 and 237,128.88 is: 327,227.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,427.55 : 577,411.02 = 237,128.88 : x
  2. Step 2: Convert to fraction form
    418,427.55/577,411.02 = 237,128.88/x
  3. Step 3: Cross multiply
    418,427.55x = 577,411.02 × 237,128.88
  4. Step 4: Simplify right side
    418,427.55x = 136,920,828,472.26
  5. Step 5: Solve for x
    x = 136,920,828,472.26/418,427.55
  6. Step 6: Final answer
    x = 327,227.09

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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.