Home / 730,534.89-1,008,159.84-408,245.92

Finding the Fourth Proportional to 730,534.89, 1,008,159.84 and 408,245.92

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Solution

The fourth proportional to 730,534.89, 1,008,159.84 and 408,245.92 is: 563,391.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,534.89 : 1,008,159.84 = 408,245.92 : x
  2. Step 2: Convert to fraction form
    730,534.89/1,008,159.84 = 408,245.92/x
  3. Step 3: Cross multiply
    730,534.89x = 1,008,159.84 × 408,245.92
  4. Step 4: Simplify right side
    730,534.89x = 411,577,145,686.54
  5. Step 5: Solve for x
    x = 411,577,145,686.54/730,534.89
  6. Step 6: Final answer
    x = 563,391.50

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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.