Home / 529,175.22-730,275.35-287,471.63

Finding the Fourth Proportional to 529,175.22, 730,275.35 and 287,471.63

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Solution

The fourth proportional to 529,175.22, 730,275.35 and 287,471.63 is: 396,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,175.22 : 730,275.35 = 287,471.63 : x
  2. Step 2: Convert to fraction form
    529,175.22/730,275.35 = 287,471.63/x
  3. Step 3: Cross multiply
    529,175.22x = 730,275.35 × 287,471.63
  4. Step 4: Simplify right side
    529,175.22x = 209,933,440,124.59
  5. Step 5: Solve for x
    x = 209,933,440,124.59/529,175.22
  6. Step 6: Final answer
    x = 396,718.20

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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.