Home / 783,078.20-1,175,492.10-731,683.70

Finding the Fourth Proportional to 783,078.20, 1,175,492.10 and 731,683.70

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Solution

The fourth proportional to 783,078.20, 1,175,492.10 and 731,683.70 is: 1,098,342.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,078.20 : 1,175,492.10 = 731,683.70 : x
  2. Step 2: Convert to fraction form
    783,078.20/1,175,492.10 = 731,683.70/x
  3. Step 3: Cross multiply
    783,078.20x = 1,175,492.10 × 731,683.70
  4. Step 4: Simplify right side
    783,078.20x = 860,088,409,048.77
  5. Step 5: Solve for x
    x = 860,088,409,048.77/783,078.20
  6. Step 6: Final answer
    x = 1,098,342.94

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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.