Home / 727,712.90-1,091,569.35-609,614.90

Finding the Fourth Proportional to 727,712.90, 1,091,569.35 and 609,614.90

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Solution

The fourth proportional to 727,712.90, 1,091,569.35 and 609,614.90 is: 914,422.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,712.90 : 1,091,569.35 = 609,614.90 : x
  2. Step 2: Convert to fraction form
    727,712.90/1,091,569.35 = 609,614.90/x
  3. Step 3: Cross multiply
    727,712.90x = 1,091,569.35 × 609,614.90
  4. Step 4: Simplify right side
    727,712.90x = 665,436,940,143.32
  5. Step 5: Solve for x
    x = 665,436,940,143.32/727,712.90
  6. Step 6: Final answer
    x = 914,422.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.