Home / 726,803.80-1,090,205.70-474,861.40

Finding the Fourth Proportional to 726,803.80, 1,090,205.70 and 474,861.40

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Solution

The fourth proportional to 726,803.80, 1,090,205.70 and 474,861.40 is: 712,292.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,803.80 : 1,090,205.70 = 474,861.40 : x
  2. Step 2: Convert to fraction form
    726,803.80/1,090,205.70 = 474,861.40/x
  3. Step 3: Cross multiply
    726,803.80x = 1,090,205.70 × 474,861.40
  4. Step 4: Simplify right side
    726,803.80x = 517,696,604,989.98
  5. Step 5: Solve for x
    x = 517,696,604,989.98/726,803.80
  6. Step 6: Final answer
    x = 712,292.10

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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.