Home / 726,740.20-1,090,110.30-569,103.40

Finding the Fourth Proportional to 726,740.20, 1,090,110.30 and 569,103.40

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Solution

The fourth proportional to 726,740.20, 1,090,110.30 and 569,103.40 is: 853,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,740.20 : 1,090,110.30 = 569,103.40 : x
  2. Step 2: Convert to fraction form
    726,740.20/1,090,110.30 = 569,103.40/x
  3. Step 3: Cross multiply
    726,740.20x = 1,090,110.30 × 569,103.40
  4. Step 4: Simplify right side
    726,740.20x = 620,385,478,105.02
  5. Step 5: Solve for x
    x = 620,385,478,105.02/726,740.20
  6. Step 6: Final answer
    x = 853,655.10

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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.