Home / 948,735.18-1,423,570.34-443,331.02

Finding the Fourth Proportional to 948,735.18, 1,423,570.34 and 443,331.02

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Solution

The fourth proportional to 948,735.18, 1,423,570.34 and 443,331.02 is: 665,215.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,735.18 : 1,423,570.34 = 443,331.02 : x
  2. Step 2: Convert to fraction form
    948,735.18/1,423,570.34 = 443,331.02/x
  3. Step 3: Cross multiply
    948,735.18x = 1,423,570.34 × 443,331.02
  4. Step 4: Simplify right side
    948,735.18x = 631,112,895,541.20
  5. Step 5: Solve for x
    x = 631,112,895,541.20/948,735.18
  6. Step 6: Final answer
    x = 665,215.02

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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.