Home / 753,291.06-1,039,549.17-409,133.71

Finding the Fourth Proportional to 753,291.06, 1,039,549.17 and 409,133.71

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Solution

The fourth proportional to 753,291.06, 1,039,549.17 and 409,133.71 is: 564,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,291.06 : 1,039,549.17 = 409,133.71 : x
  2. Step 2: Convert to fraction form
    753,291.06/1,039,549.17 = 409,133.71/x
  3. Step 3: Cross multiply
    753,291.06x = 1,039,549.17 × 409,133.71
  4. Step 4: Simplify right side
    753,291.06x = 425,314,608,649.52
  5. Step 5: Solve for x
    x = 425,314,608,649.52/753,291.06
  6. Step 6: Final answer
    x = 564,608.60

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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.