Home / 771,433.12-1,156,129.08-558,915.04

Finding the Fourth Proportional to 771,433.12, 1,156,129.08 and 558,915.04

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Solution

The fourth proportional to 771,433.12, 1,156,129.08 and 558,915.04 is: 837,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,433.12 : 1,156,129.08 = 558,915.04 : x
  2. Step 2: Convert to fraction form
    771,433.12/1,156,129.08 = 558,915.04/x
  3. Step 3: Cross multiply
    771,433.12x = 1,156,129.08 × 558,915.04
  4. Step 4: Simplify right side
    771,433.12x = 646,177,930,993.36
  5. Step 5: Solve for x
    x = 646,177,930,993.36/771,433.12
  6. Step 6: Final answer
    x = 837,633.12

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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.