Home / 658,811.16-988,829.10-259,727.40

Finding the Fourth Proportional to 658,811.16, 988,829.10 and 259,727.40

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Solution

The fourth proportional to 658,811.16, 988,829.10 and 259,727.40 is: 389,832.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,811.16 : 988,829.10 = 259,727.40 : x
  2. Step 2: Convert to fraction form
    658,811.16/988,829.10 = 259,727.40/x
  3. Step 3: Cross multiply
    658,811.16x = 988,829.10 × 259,727.40
  4. Step 4: Simplify right side
    658,811.16x = 256,826,011,187.34
  5. Step 5: Solve for x
    x = 256,826,011,187.34/658,811.16
  6. Step 6: Final answer
    x = 389,832.51

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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.