Home / 960,885.60-1,440,118.80-487,701.60

Finding the Fourth Proportional to 960,885.60, 1,440,118.80 and 487,701.60

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Solution

The fourth proportional to 960,885.60, 1,440,118.80 and 487,701.60 is: 730,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,885.60 : 1,440,118.80 = 487,701.60 : x
  2. Step 2: Convert to fraction form
    960,885.60/1,440,118.80 = 487,701.60/x
  3. Step 3: Cross multiply
    960,885.60x = 1,440,118.80 × 487,701.60
  4. Step 4: Simplify right side
    960,885.60x = 702,348,242,950.08
  5. Step 5: Solve for x
    x = 702,348,242,950.08/960,885.60
  6. Step 6: Final answer
    x = 730,938.46

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1.5x scale

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.