Home / 578,999.20-869,535.60-560,336.80

Finding the Fourth Proportional to 578,999.20, 869,535.60 and 560,336.80

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Solution

The fourth proportional to 578,999.20, 869,535.60 and 560,336.80 is: 841,508.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,999.20 : 869,535.60 = 560,336.80 : x
  2. Step 2: Convert to fraction form
    578,999.20/869,535.60 = 560,336.80/x
  3. Step 3: Cross multiply
    578,999.20x = 869,535.60 × 560,336.80
  4. Step 4: Simplify right side
    578,999.20x = 487,232,795,590.08
  5. Step 5: Solve for x
    x = 487,232,795,590.08/578,999.20
  6. Step 6: Final answer
    x = 841,508.58

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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.