Home / 476,591.10-657,531.24-304,609.74

Finding the Fourth Proportional to 476,591.10, 657,531.24 and 304,609.74

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Solution

The fourth proportional to 476,591.10, 657,531.24 and 304,609.74 is: 420,256.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,591.10 : 657,531.24 = 304,609.74 : x
  2. Step 2: Convert to fraction form
    476,591.10/657,531.24 = 304,609.74/x
  3. Step 3: Cross multiply
    476,591.10x = 657,531.24 × 304,609.74
  4. Step 4: Simplify right side
    476,591.10x = 200,290,420,058.28
  5. Step 5: Solve for x
    x = 200,290,420,058.28/476,591.10
  6. Step 6: Final answer
    x = 420,256.32

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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.