Home / 769,432.72-1,154,041.17-263,985.40

Finding the Fourth Proportional to 769,432.72, 1,154,041.17 and 263,985.40

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Solution

The fourth proportional to 769,432.72, 1,154,041.17 and 263,985.40 is: 395,941.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,432.72 : 1,154,041.17 = 263,985.40 : x
  2. Step 2: Convert to fraction form
    769,432.72/1,154,041.17 = 263,985.40/x
  3. Step 3: Cross multiply
    769,432.72x = 1,154,041.17 × 263,985.40
  4. Step 4: Simplify right side
    769,432.72x = 304,650,019,878.92
  5. Step 5: Solve for x
    x = 304,650,019,878.92/769,432.72
  6. Step 6: Final answer
    x = 395,941.08

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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.