Home / 832,498.18-1,248,695.43-512,710.90

Finding the Fourth Proportional to 832,498.18, 1,248,695.43 and 512,710.90

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Solution

The fourth proportional to 832,498.18, 1,248,695.43 and 512,710.90 is: 769,034.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,498.18 : 1,248,695.43 = 512,710.90 : x
  2. Step 2: Convert to fraction form
    832,498.18/1,248,695.43 = 512,710.90/x
  3. Step 3: Cross multiply
    832,498.18x = 1,248,695.43 × 512,710.90
  4. Step 4: Simplify right side
    832,498.18x = 640,219,757,741.19
  5. Step 5: Solve for x
    x = 640,219,757,741.19/832,498.18
  6. Step 6: Final answer
    x = 769,034.42

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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.