Home / 709,325.96-1,061,492.51-443,211.80

Finding the Fourth Proportional to 709,325.96, 1,061,492.51 and 443,211.80

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Solution

The fourth proportional to 709,325.96, 1,061,492.51 and 443,211.80 is: 663,257.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,325.96 : 1,061,492.51 = 443,211.80 : x
  2. Step 2: Convert to fraction form
    709,325.96/1,061,492.51 = 443,211.80/x
  3. Step 3: Cross multiply
    709,325.96x = 1,061,492.51 × 443,211.80
  4. Step 4: Simplify right side
    709,325.96x = 470,466,001,844.19
  5. Step 5: Solve for x
    x = 470,466,001,844.19/709,325.96
  6. Step 6: Final answer
    x = 663,257.84

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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.