Home / 747,598.64-1,031,696.88-408,059.60

Finding the Fourth Proportional to 747,598.64, 1,031,696.88 and 408,059.60

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Solution

The fourth proportional to 747,598.64, 1,031,696.88 and 408,059.60 is: 563,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,598.64 : 1,031,696.88 = 408,059.60 : x
  2. Step 2: Convert to fraction form
    747,598.64/1,031,696.88 = 408,059.60/x
  3. Step 3: Cross multiply
    747,598.64x = 1,031,696.88 × 408,059.60
  4. Step 4: Simplify right side
    747,598.64x = 420,993,816,174.05
  5. Step 5: Solve for x
    x = 420,993,816,174.05/747,598.64
  6. Step 6: Final answer
    x = 563,128.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.