Home / 769,487.40-1,154,814.30-503,159.40

Finding the Fourth Proportional to 769,487.40, 1,154,814.30 and 503,159.40

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Solution

The fourth proportional to 769,487.40, 1,154,814.30 and 503,159.40 is: 755,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,487.40 : 1,154,814.30 = 503,159.40 : x
  2. Step 2: Convert to fraction form
    769,487.40/1,154,814.30 = 503,159.40/x
  3. Step 3: Cross multiply
    769,487.40x = 1,154,814.30 × 503,159.40
  4. Step 4: Simplify right side
    769,487.40x = 581,055,670,299.42
  5. Step 5: Solve for x
    x = 581,055,670,299.42/769,487.40
  6. Step 6: Final answer
    x = 755,120.45

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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.