Home / 709,322.08-1,061,486.70-443,207.92

Finding the Fourth Proportional to 709,322.08, 1,061,486.70 and 443,207.92

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Solution

The fourth proportional to 709,322.08, 1,061,486.70 and 443,207.92 is: 663,252.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,322.08 : 1,061,486.70 = 443,207.92 : x
  2. Step 2: Convert to fraction form
    709,322.08/1,061,486.70 = 443,207.92/x
  3. Step 3: Cross multiply
    709,322.08x = 1,061,486.70 × 443,207.92
  4. Step 4: Simplify right side
    709,322.08x = 470,459,312,414.66
  5. Step 5: Solve for x
    x = 470,459,312,414.66/709,322.08
  6. Step 6: Final answer
    x = 663,252.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.