Home / 718,348.50-1,077,933.63-363,391.38

Finding the Fourth Proportional to 718,348.50, 1,077,933.63 and 363,391.38

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Solution

The fourth proportional to 718,348.50, 1,077,933.63 and 363,391.38 is: 545,294.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,348.50 : 1,077,933.63 = 363,391.38 : x
  2. Step 2: Convert to fraction form
    718,348.50/1,077,933.63 = 363,391.38/x
  3. Step 3: Cross multiply
    718,348.50x = 1,077,933.63 × 363,391.38
  4. Step 4: Simplify right side
    718,348.50x = 391,711,789,354.11
  5. Step 5: Solve for x
    x = 391,711,789,354.11/718,348.50
  6. Step 6: Final answer
    x = 545,294.92

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1.5x scale

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.