Home / 859,333.32-1,289,000.52-326,731.32

Finding the Fourth Proportional to 859,333.32, 1,289,000.52 and 326,731.32

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Solution

The fourth proportional to 859,333.32, 1,289,000.52 and 326,731.32 is: 490,097.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,333.32 : 1,289,000.52 = 326,731.32 : x
  2. Step 2: Convert to fraction form
    859,333.32/1,289,000.52 = 326,731.32/x
  3. Step 3: Cross multiply
    859,333.32x = 1,289,000.52 × 326,731.32
  4. Step 4: Simplify right side
    859,333.32x = 421,156,841,380.29
  5. Step 5: Solve for x
    x = 421,156,841,380.29/859,333.32
  6. Step 6: Final answer
    x = 490,097.19

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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.