Home / 748,771.27-1,034,156.70-503,329.86

Finding the Fourth Proportional to 748,771.27, 1,034,156.70 and 503,329.86

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Solution

The fourth proportional to 748,771.27, 1,034,156.70 and 503,329.86 is: 695,168.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,771.27 : 1,034,156.70 = 503,329.86 : x
  2. Step 2: Convert to fraction form
    748,771.27/1,034,156.70 = 503,329.86/x
  3. Step 3: Cross multiply
    748,771.27x = 1,034,156.70 × 503,329.86
  4. Step 4: Simplify right side
    748,771.27x = 520,521,947,029.06
  5. Step 5: Solve for x
    x = 520,521,947,029.06/748,771.27
  6. Step 6: Final answer
    x = 695,168.16

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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.