Home / 785,370.78-1,176,966.18-357,861.83

Finding the Fourth Proportional to 785,370.78, 1,176,966.18 and 357,861.83

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Solution

The fourth proportional to 785,370.78, 1,176,966.18 and 357,861.83 is: 536,296.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,370.78 : 1,176,966.18 = 357,861.83 : x
  2. Step 2: Convert to fraction form
    785,370.78/1,176,966.18 = 357,861.83/x
  3. Step 3: Cross multiply
    785,370.78x = 1,176,966.18 × 357,861.83
  4. Step 4: Simplify right side
    785,370.78x = 421,191,265,138.08
  5. Step 5: Solve for x
    x = 421,191,265,138.08/785,370.78
  6. Step 6: Final answer
    x = 536,296.07

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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.