Home / 887,320.60-1,330,592.10-354,664.60

Finding the Fourth Proportional to 887,320.60, 1,330,592.10 and 354,664.60

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Solution

The fourth proportional to 887,320.60, 1,330,592.10 and 354,664.60 is: 531,841.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,320.60 : 1,330,592.10 = 354,664.60 : x
  2. Step 2: Convert to fraction form
    887,320.60/1,330,592.10 = 354,664.60/x
  3. Step 3: Cross multiply
    887,320.60x = 1,330,592.10 × 354,664.60
  4. Step 4: Simplify right side
    887,320.60x = 471,913,914,909.66
  5. Step 5: Solve for x
    x = 471,913,914,909.66/887,320.60
  6. Step 6: Final answer
    x = 531,841.50

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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.