Home / 727,711.20-1,090,400.40-460,994.40

Finding the Fourth Proportional to 727,711.20, 1,090,400.40 and 460,994.40

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Solution

The fourth proportional to 727,711.20, 1,090,400.40 and 460,994.40 is: 690,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,711.20 : 1,090,400.40 = 460,994.40 : x
  2. Step 2: Convert to fraction form
    727,711.20/1,090,400.40 = 460,994.40/x
  3. Step 3: Cross multiply
    727,711.20x = 1,090,400.40 × 460,994.40
  4. Step 4: Simplify right side
    727,711.20x = 502,668,478,157.76
  5. Step 5: Solve for x
    x = 502,668,478,157.76/727,711.20
  6. Step 6: Final answer
    x = 690,752.70

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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.