Home / 579,609.20-869,102.76-180,078.32

Finding the Fourth Proportional to 579,609.20, 869,102.76 and 180,078.32

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Solution

The fourth proportional to 579,609.20, 869,102.76 and 180,078.32 is: 270,020.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,609.20 : 869,102.76 = 180,078.32 : x
  2. Step 2: Convert to fraction form
    579,609.20/869,102.76 = 180,078.32/x
  3. Step 3: Cross multiply
    579,609.20x = 869,102.76 × 180,078.32
  4. Step 4: Simplify right side
    579,609.20x = 156,506,564,928.16
  5. Step 5: Solve for x
    x = 156,506,564,928.16/579,609.20
  6. Step 6: Final answer
    x = 270,020.84

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1.5x scale

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.