Home / 889,628.80-1,334,443.20-653,432.80

Finding the Fourth Proportional to 889,628.80, 1,334,443.20 and 653,432.80

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Solution

The fourth proportional to 889,628.80, 1,334,443.20 and 653,432.80 is: 980,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,628.80 : 1,334,443.20 = 653,432.80 : x
  2. Step 2: Convert to fraction form
    889,628.80/1,334,443.20 = 653,432.80/x
  3. Step 3: Cross multiply
    889,628.80x = 1,334,443.20 × 653,432.80
  4. Step 4: Simplify right side
    889,628.80x = 871,968,956,616.96
  5. Step 5: Solve for x
    x = 871,968,956,616.96/889,628.80
  6. Step 6: Final answer
    x = 980,149.20

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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.