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Finding the Fourth Proportional to 488,330.70, 732,496.05 and 409,598.70

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Solution

The fourth proportional to 488,330.70, 732,496.05 and 409,598.70 is: 614,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,330.70 : 732,496.05 = 409,598.70 : x
  2. Step 2: Convert to fraction form
    488,330.70/732,496.05 = 409,598.70/x
  3. Step 3: Cross multiply
    488,330.70x = 732,496.05 × 409,598.70
  4. Step 4: Simplify right side
    488,330.70x = 300,029,429,835.14
  5. Step 5: Solve for x
    x = 300,029,429,835.14/488,330.70
  6. Step 6: Final answer
    x = 614,398.05

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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.