Home / 887,376.25-1,330,531.60-407,002.31

Finding the Fourth Proportional to 887,376.25, 1,330,531.60 and 407,002.31

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Solution

The fourth proportional to 887,376.25, 1,330,531.60 and 407,002.31 is: 610,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,376.25 : 1,330,531.60 = 407,002.31 : x
  2. Step 2: Convert to fraction form
    887,376.25/1,330,531.60 = 407,002.31/x
  3. Step 3: Cross multiply
    887,376.25x = 1,330,531.60 × 407,002.31
  4. Step 4: Simplify right side
    887,376.25x = 541,529,434,728.00
  5. Step 5: Solve for x
    x = 541,529,434,728.00/887,376.25
  6. Step 6: Final answer
    x = 610,259.10

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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.