Home / 887,601.40-1,330,494.90-437,630.20

Finding the Fourth Proportional to 887,601.40, 1,330,494.90 and 437,630.20

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Solution

The fourth proportional to 887,601.40, 1,330,494.90 and 437,630.20 is: 655,998.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,601.40 : 1,330,494.90 = 437,630.20 : x
  2. Step 2: Convert to fraction form
    887,601.40/1,330,494.90 = 437,630.20/x
  3. Step 3: Cross multiply
    887,601.40x = 1,330,494.90 × 437,630.20
  4. Step 4: Simplify right side
    887,601.40x = 582,264,749,185.98
  5. Step 5: Solve for x
    x = 582,264,749,185.98/887,601.40
  6. Step 6: Final answer
    x = 655,998.01

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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.