Home / 770,865.40-1,156,125.30-506,481.40

Finding the Fourth Proportional to 770,865.40, 1,156,125.30 and 506,481.40

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Solution

The fourth proportional to 770,865.40, 1,156,125.30 and 506,481.40 is: 759,608.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,865.40 : 1,156,125.30 = 506,481.40 : x
  2. Step 2: Convert to fraction form
    770,865.40/1,156,125.30 = 506,481.40/x
  3. Step 3: Cross multiply
    770,865.40x = 1,156,125.30 × 506,481.40
  4. Step 4: Simplify right side
    770,865.40x = 585,555,960,519.42
  5. Step 5: Solve for x
    x = 585,555,960,519.42/770,865.40
  6. Step 6: Final answer
    x = 759,608.57

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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.