Home / 753,118.29-1,039,303.17-408,952.53

Finding the Fourth Proportional to 753,118.29, 1,039,303.17 and 408,952.53

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Solution

The fourth proportional to 753,118.29, 1,039,303.17 and 408,952.53 is: 564,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,118.29 : 1,039,303.17 = 408,952.53 : x
  2. Step 2: Convert to fraction form
    753,118.29/1,039,303.17 = 408,952.53/x
  3. Step 3: Cross multiply
    753,118.29x = 1,039,303.17 × 408,952.53
  4. Step 4: Simplify right side
    753,118.29x = 425,025,660,808.52
  5. Step 5: Solve for x
    x = 425,025,660,808.52/753,118.29
  6. Step 6: Final answer
    x = 564,354.45

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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.