Home / 765,010.40-1,144,891.20-702,024.80

Finding the Fourth Proportional to 765,010.40, 1,144,891.20 and 702,024.80

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Solution

The fourth proportional to 765,010.40, 1,144,891.20 and 702,024.80 is: 1,050,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,010.40 : 1,144,891.20 = 702,024.80 : x
  2. Step 2: Convert to fraction form
    765,010.40/1,144,891.20 = 702,024.80/x
  3. Step 3: Cross multiply
    765,010.40x = 1,144,891.20 × 702,024.80
  4. Step 4: Simplify right side
    765,010.40x = 803,742,015,701.76
  5. Step 5: Solve for x
    x = 803,742,015,701.76/765,010.40
  6. Step 6: Final answer
    x = 1,050,628.87

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1.5x scale

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.