Home / 769,066.68-1,153,732.86-342,753.96

Finding the Fourth Proportional to 769,066.68, 1,153,732.86 and 342,753.96

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Solution

The fourth proportional to 769,066.68, 1,153,732.86 and 342,753.96 is: 514,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,066.68 : 1,153,732.86 = 342,753.96 : x
  2. Step 2: Convert to fraction form
    769,066.68/1,153,732.86 = 342,753.96/x
  3. Step 3: Cross multiply
    769,066.68x = 1,153,732.86 × 342,753.96
  4. Step 4: Simplify right side
    769,066.68x = 395,446,506,547.13
  5. Step 5: Solve for x
    x = 395,446,506,547.13/769,066.68
  6. Step 6: Final answer
    x = 514,190.14

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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.