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Finding the Fourth Proportional to 654,099.30, 980,954.55 and 254,510.10

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Solution

The fourth proportional to 654,099.30, 980,954.55 and 254,510.10 is: 381,689.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,099.30 : 980,954.55 = 254,510.10 : x
  2. Step 2: Convert to fraction form
    654,099.30/980,954.55 = 254,510.10/x
  3. Step 3: Cross multiply
    654,099.30x = 980,954.55 × 254,510.10
  4. Step 4: Simplify right side
    654,099.30x = 249,662,840,615.96
  5. Step 5: Solve for x
    x = 249,662,840,615.96/654,099.30
  6. Step 6: Final answer
    x = 381,689.51

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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.