Home / 773,402.40-1,160,158.86-323,670.42

Finding the Fourth Proportional to 773,402.40, 1,160,158.86 and 323,670.42

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Solution

The fourth proportional to 773,402.40, 1,160,158.86 and 323,670.42 is: 485,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,402.40 : 1,160,158.86 = 323,670.42 : x
  2. Step 2: Convert to fraction form
    773,402.40/1,160,158.86 = 323,670.42/x
  3. Step 3: Cross multiply
    773,402.40x = 1,160,158.86 × 323,670.42
  4. Step 4: Simplify right side
    773,402.40x = 375,509,105,482.92
  5. Step 5: Solve for x
    x = 375,509,105,482.92/773,402.40
  6. Step 6: Final answer
    x = 485,528.76

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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.