Home / 764,543.72-1,144,320.23-562,086.29

Finding the Fourth Proportional to 764,543.72, 1,144,320.23 and 562,086.29

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Solution

The fourth proportional to 764,543.72, 1,144,320.23 and 562,086.29 is: 841,294.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,543.72 : 1,144,320.23 = 562,086.29 : x
  2. Step 2: Convert to fraction form
    764,543.72/1,144,320.23 = 562,086.29/x
  3. Step 3: Cross multiply
    764,543.72x = 1,144,320.23 × 562,086.29
  4. Step 4: Simplify right side
    764,543.72x = 643,206,704,120.61
  5. Step 5: Solve for x
    x = 643,206,704,120.61/764,543.72
  6. Step 6: Final answer
    x = 841,294.87

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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.