Home / 775,818.08-1,070,502.78-431,645.17

Finding the Fourth Proportional to 775,818.08, 1,070,502.78 and 431,645.17

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Solution

The fourth proportional to 775,818.08, 1,070,502.78 and 431,645.17 is: 595,600.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,818.08 : 1,070,502.78 = 431,645.17 : x
  2. Step 2: Convert to fraction form
    775,818.08/1,070,502.78 = 431,645.17/x
  3. Step 3: Cross multiply
    775,818.08x = 1,070,502.78 × 431,645.17
  4. Step 4: Simplify right side
    775,818.08x = 462,077,355,408.18
  5. Step 5: Solve for x
    x = 462,077,355,408.18/775,818.08
  6. Step 6: Final answer
    x = 595,600.13

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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.