Home / 726,803.40-1,090,205.10-502,854.60

Finding the Fourth Proportional to 726,803.40, 1,090,205.10 and 502,854.60

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Solution

The fourth proportional to 726,803.40, 1,090,205.10 and 502,854.60 is: 754,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,803.40 : 1,090,205.10 = 502,854.60 : x
  2. Step 2: Convert to fraction form
    726,803.40/1,090,205.10 = 502,854.60/x
  3. Step 3: Cross multiply
    726,803.40x = 1,090,205.10 × 502,854.60
  4. Step 4: Simplify right side
    726,803.40x = 548,214,649,478.46
  5. Step 5: Solve for x
    x = 548,214,649,478.46/726,803.40
  6. Step 6: Final answer
    x = 754,281.90

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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.