Home / 753,211.19-1,039,428.11-409,044.42

Finding the Fourth Proportional to 753,211.19, 1,039,428.11 and 409,044.42

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Solution

The fourth proportional to 753,211.19, 1,039,428.11 and 409,044.42 is: 564,479.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,211.19 : 1,039,428.11 = 409,044.42 : x
  2. Step 2: Convert to fraction form
    753,211.19/1,039,428.11 = 409,044.42/x
  3. Step 3: Cross multiply
    753,211.19x = 1,039,428.11 × 409,044.42
  4. Step 4: Simplify right side
    753,211.19x = 425,172,268,386.65
  5. Step 5: Solve for x
    x = 425,172,268,386.65/753,211.19
  6. Step 6: Final answer
    x = 564,479.49

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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.