Home / 847,182.57-1,270,734.97-286,221.93

Finding the Fourth Proportional to 847,182.57, 1,270,734.97 and 286,221.93

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Solution

The fourth proportional to 847,182.57, 1,270,734.97 and 286,221.93 is: 429,319.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,182.57 : 1,270,734.97 = 286,221.93 : x
  2. Step 2: Convert to fraction form
    847,182.57/1,270,734.97 = 286,221.93/x
  3. Step 3: Cross multiply
    847,182.57x = 1,270,734.97 × 286,221.93
  4. Step 4: Simplify right side
    847,182.57x = 363,712,215,631.89
  5. Step 5: Solve for x
    x = 363,712,215,631.89/847,182.57
  6. Step 6: Final answer
    x = 429,319.76

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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.