Home / 887,551.90-1,330,999.80-288,532.60

Finding the Fourth Proportional to 887,551.90, 1,330,999.80 and 288,532.60

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Solution

The fourth proportional to 887,551.90, 1,330,999.80 and 288,532.60 is: 432,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,551.90 : 1,330,999.80 = 288,532.60 : x
  2. Step 2: Convert to fraction form
    887,551.90/1,330,999.80 = 288,532.60/x
  3. Step 3: Cross multiply
    887,551.90x = 1,330,999.80 × 288,532.60
  4. Step 4: Simplify right side
    887,551.90x = 384,036,832,893.48
  5. Step 5: Solve for x
    x = 384,036,832,893.48/887,551.90
  6. Step 6: Final answer
    x = 432,692.25

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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.