Home / 786,980.18-1,086,082.16-476,909.91

Finding the Fourth Proportional to 786,980.18, 1,086,082.16 and 476,909.91

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Solution

The fourth proportional to 786,980.18, 1,086,082.16 and 476,909.91 is: 658,165.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,980.18 : 1,086,082.16 = 476,909.91 : x
  2. Step 2: Convert to fraction form
    786,980.18/1,086,082.16 = 476,909.91/x
  3. Step 3: Cross multiply
    786,980.18x = 1,086,082.16 × 476,909.91
  4. Step 4: Simplify right side
    786,980.18x = 517,963,342,793.66
  5. Step 5: Solve for x
    x = 517,963,342,793.66/786,980.18
  6. Step 6: Final answer
    x = 658,165.67

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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.