Home / 822,492.52-1,233,263.89-253,720.89

Finding the Fourth Proportional to 822,492.52, 1,233,263.89 and 253,720.89

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Solution

The fourth proportional to 822,492.52, 1,233,263.89 and 253,720.89 is: 380,434.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,492.52 : 1,233,263.89 = 253,720.89 : x
  2. Step 2: Convert to fraction form
    822,492.52/1,233,263.89 = 253,720.89/x
  3. Step 3: Cross multiply
    822,492.52x = 1,233,263.89 × 253,720.89
  4. Step 4: Simplify right side
    822,492.52x = 312,904,817,652.43
  5. Step 5: Solve for x
    x = 312,904,817,652.43/822,492.52
  6. Step 6: Final answer
    x = 380,434.85

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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.