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Finding the Fourth Proportional to 488,539.20, 732,981.60 and 471,259.20

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Solution

The fourth proportional to 488,539.20, 732,981.60 and 471,259.20 is: 707,055.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,539.20 : 732,981.60 = 471,259.20 : x
  2. Step 2: Convert to fraction form
    488,539.20/732,981.60 = 471,259.20/x
  3. Step 3: Cross multiply
    488,539.20x = 732,981.60 × 471,259.20
  4. Step 4: Simplify right side
    488,539.20x = 345,424,322,430.72
  5. Step 5: Solve for x
    x = 345,424,322,430.72/488,539.20
  6. Step 6: Final answer
    x = 707,055.49

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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.