Home / 749,470.08-1,034,242.50-427,283.92

Finding the Fourth Proportional to 749,470.08, 1,034,242.50 and 427,283.92

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Solution

The fourth proportional to 749,470.08, 1,034,242.50 and 427,283.92 is: 589,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,470.08 : 1,034,242.50 = 427,283.92 : x
  2. Step 2: Convert to fraction form
    749,470.08/1,034,242.50 = 427,283.92/x
  3. Step 3: Cross multiply
    749,470.08x = 1,034,242.50 × 427,283.92
  4. Step 4: Simplify right side
    749,470.08x = 441,915,189,630.60
  5. Step 5: Solve for x
    x = 441,915,189,630.60/749,470.08
  6. Step 6: Final answer
    x = 589,636.87

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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.