Home / 997,643.52-1,376,857.85-567,854.28

Finding the Fourth Proportional to 997,643.52, 1,376,857.85 and 567,854.28

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Solution

The fourth proportional to 997,643.52, 1,376,857.85 and 567,854.28 is: 783,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,643.52 : 1,376,857.85 = 567,854.28 : x
  2. Step 2: Convert to fraction form
    997,643.52/1,376,857.85 = 567,854.28/x
  3. Step 3: Cross multiply
    997,643.52x = 1,376,857.85 × 567,854.28
  4. Step 4: Simplify right side
    997,643.52x = 781,854,620,234.83
  5. Step 5: Solve for x
    x = 781,854,620,234.83/997,643.52
  6. Step 6: Final answer
    x = 783,701.40

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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.