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Finding the Fourth Proportional to 473,924.60, 710,627.70 and 193,124.60

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Solution

The fourth proportional to 473,924.60, 710,627.70 and 193,124.60 is: 289,581.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,924.60 : 710,627.70 = 193,124.60 : x
  2. Step 2: Convert to fraction form
    473,924.60/710,627.70 = 193,124.60/x
  3. Step 3: Cross multiply
    473,924.60x = 710,627.70 × 193,124.60
  4. Step 4: Simplify right side
    473,924.60x = 137,239,690,311.42
  5. Step 5: Solve for x
    x = 137,239,690,311.42/473,924.60
  6. Step 6: Final answer
    x = 289,581.28

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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.