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Finding the Fourth Proportional to 500,590.80, 749,719.80 and 341,960.40

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Solution

The fourth proportional to 500,590.80, 749,719.80 and 341,960.40 is: 512,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,590.80 : 749,719.80 = 341,960.40 : x
  2. Step 2: Convert to fraction form
    500,590.80/749,719.80 = 341,960.40/x
  3. Step 3: Cross multiply
    500,590.80x = 749,719.80 × 341,960.40
  4. Step 4: Simplify right side
    500,590.80x = 256,374,482,695.92
  5. Step 5: Solve for x
    x = 256,374,482,695.92/500,590.80
  6. Step 6: Final answer
    x = 512,143.82

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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.