Home / 727,367.90-1,002,789.18-509,283.23

Finding the Fourth Proportional to 727,367.90, 1,002,789.18 and 509,283.23

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Solution

The fourth proportional to 727,367.90, 1,002,789.18 and 509,283.23 is: 702,125.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,367.90 : 1,002,789.18 = 509,283.23 : x
  2. Step 2: Convert to fraction form
    727,367.90/1,002,789.18 = 509,283.23/x
  3. Step 3: Cross multiply
    727,367.90x = 1,002,789.18 × 509,283.23
  4. Step 4: Simplify right side
    727,367.90x = 510,703,707,585.51
  5. Step 5: Solve for x
    x = 510,703,707,585.51/727,367.90
  6. Step 6: Final answer
    x = 702,125.72

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Double scale
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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.