Home / 890,665.76-1,229,250.06-564,008.58

Finding the Fourth Proportional to 890,665.76, 1,229,250.06 and 564,008.58

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Solution

The fourth proportional to 890,665.76, 1,229,250.06 and 564,008.58 is: 778,414.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,665.76 : 1,229,250.06 = 564,008.58 : x
  2. Step 2: Convert to fraction form
    890,665.76/1,229,250.06 = 564,008.58/x
  3. Step 3: Cross multiply
    890,665.76x = 1,229,250.06 × 564,008.58
  4. Step 4: Simplify right side
    890,665.76x = 693,307,580,805.52
  5. Step 5: Solve for x
    x = 693,307,580,805.52/890,665.76
  6. Step 6: Final answer
    x = 778,414.99

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1.5x scale

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.