Home / 829,288.17-1,242,636.25-577,061.46

Finding the Fourth Proportional to 829,288.17, 1,242,636.25 and 577,061.46

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Solution

The fourth proportional to 829,288.17, 1,242,636.25 and 577,061.46 is: 864,690.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,288.17 : 1,242,636.25 = 577,061.46 : x
  2. Step 2: Convert to fraction form
    829,288.17/1,242,636.25 = 577,061.46/x
  3. Step 3: Cross multiply
    829,288.17x = 1,242,636.25 × 577,061.46
  4. Step 4: Simplify right side
    829,288.17x = 717,077,488,673.93
  5. Step 5: Solve for x
    x = 717,077,488,673.93/829,288.17
  6. Step 6: Final answer
    x = 864,690.36

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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.