Home / 768,019.60-1,059,864.86-423,853.04

Finding the Fourth Proportional to 768,019.60, 1,059,864.86 and 423,853.04

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Solution

The fourth proportional to 768,019.60, 1,059,864.86 and 423,853.04 is: 584,915.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,019.60 : 1,059,864.86 = 423,853.04 : x
  2. Step 2: Convert to fraction form
    768,019.60/1,059,864.86 = 423,853.04/x
  3. Step 3: Cross multiply
    768,019.60x = 1,059,864.86 × 423,853.04
  4. Step 4: Simplify right side
    768,019.60x = 449,226,942,900.17
  5. Step 5: Solve for x
    x = 449,226,942,900.17/768,019.60
  6. Step 6: Final answer
    x = 584,915.99

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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.