Home / 649,484.40-974,380.20-206,252.40

Finding the Fourth Proportional to 649,484.40, 974,380.20 and 206,252.40

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Solution

The fourth proportional to 649,484.40, 974,380.20 and 206,252.40 is: 309,427.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,484.40 : 974,380.20 = 206,252.40 : x
  2. Step 2: Convert to fraction form
    649,484.40/974,380.20 = 206,252.40/x
  3. Step 3: Cross multiply
    649,484.40x = 974,380.20 × 206,252.40
  4. Step 4: Simplify right side
    649,484.40x = 200,968,254,762.48
  5. Step 5: Solve for x
    x = 200,968,254,762.48/649,484.40
  6. Step 6: Final answer
    x = 309,427.38

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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.