Home / 887,643.60-1,330,809.30-488,734.80

Finding the Fourth Proportional to 887,643.60, 1,330,809.30 and 488,734.80

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Solution

The fourth proportional to 887,643.60, 1,330,809.30 and 488,734.80 is: 732,740.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,643.60 : 1,330,809.30 = 488,734.80 : x
  2. Step 2: Convert to fraction form
    887,643.60/1,330,809.30 = 488,734.80/x
  3. Step 3: Cross multiply
    887,643.60x = 1,330,809.30 × 488,734.80
  4. Step 4: Simplify right side
    887,643.60x = 650,412,817,073.64
  5. Step 5: Solve for x
    x = 650,412,817,073.64/887,643.60
  6. Step 6: Final answer
    x = 732,740.95

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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.