Home / 887,344.80-1,331,017.20-603,909.60

Finding the Fourth Proportional to 887,344.80, 1,331,017.20 and 603,909.60

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Solution

The fourth proportional to 887,344.80, 1,331,017.20 and 603,909.60 is: 905,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,344.80 : 1,331,017.20 = 603,909.60 : x
  2. Step 2: Convert to fraction form
    887,344.80/1,331,017.20 = 603,909.60/x
  3. Step 3: Cross multiply
    887,344.80x = 1,331,017.20 × 603,909.60
  4. Step 4: Simplify right side
    887,344.80x = 803,814,064,845.12
  5. Step 5: Solve for x
    x = 803,814,064,845.12/887,344.80
  6. Step 6: Final answer
    x = 905,864.40

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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.