Home / 970,877.20-1,456,315.80-653,616.40

Finding the Fourth Proportional to 970,877.20, 1,456,315.80 and 653,616.40

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Solution

The fourth proportional to 970,877.20, 1,456,315.80 and 653,616.40 is: 980,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,877.20 : 1,456,315.80 = 653,616.40 : x
  2. Step 2: Convert to fraction form
    970,877.20/1,456,315.80 = 653,616.40/x
  3. Step 3: Cross multiply
    970,877.20x = 1,456,315.80 × 653,616.40
  4. Step 4: Simplify right side
    970,877.20x = 951,871,890,459.12
  5. Step 5: Solve for x
    x = 951,871,890,459.12/970,877.20
  6. Step 6: Final answer
    x = 980,424.60

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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.