Home / 750,995.28-1,036,384.20-449,130.96

Finding the Fourth Proportional to 750,995.28, 1,036,384.20 and 449,130.96

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Solution

The fourth proportional to 750,995.28, 1,036,384.20 and 449,130.96 is: 619,807.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,995.28 : 1,036,384.20 = 449,130.96 : x
  2. Step 2: Convert to fraction form
    750,995.28/1,036,384.20 = 449,130.96/x
  3. Step 3: Cross multiply
    750,995.28x = 1,036,384.20 × 449,130.96
  4. Step 4: Simplify right side
    750,995.28x = 465,472,230,674.83
  5. Step 5: Solve for x
    x = 465,472,230,674.83/750,995.28
  6. Step 6: Final answer
    x = 619,807.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.