Home / 750,624.01-1,035,935.09-428,382.61

Finding the Fourth Proportional to 750,624.01, 1,035,935.09 and 428,382.61

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Solution

The fourth proportional to 750,624.01, 1,035,935.09 and 428,382.61 is: 591,210.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,624.01 : 1,035,935.09 = 428,382.61 : x
  2. Step 2: Convert to fraction form
    750,624.01/1,035,935.09 = 428,382.61/x
  3. Step 3: Cross multiply
    750,624.01x = 1,035,935.09 × 428,382.61
  4. Step 4: Simplify right side
    750,624.01x = 443,776,577,644.79
  5. Step 5: Solve for x
    x = 443,776,577,644.79/750,624.01
  6. Step 6: Final answer
    x = 591,210.21

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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.