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Finding the Fourth Proportional to 704,569.70, 972,293.92 and 428,827.88

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Solution

The fourth proportional to 704,569.70, 972,293.92 and 428,827.88 is: 591,775.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,569.70 : 972,293.92 = 428,827.88 : x
  2. Step 2: Convert to fraction form
    704,569.70/972,293.92 = 428,827.88/x
  3. Step 3: Cross multiply
    704,569.70x = 972,293.92 × 428,827.88
  4. Step 4: Simplify right side
    704,569.70x = 416,946,734,516.95
  5. Step 5: Solve for x
    x = 416,946,734,516.95/704,569.70
  6. Step 6: Final answer
    x = 591,775.00

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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.