Home / 665,534.77-997,902.29-260,244.18

Finding the Fourth Proportional to 665,534.77, 997,902.29 and 260,244.18

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Solution

The fourth proportional to 665,534.77, 997,902.29 and 260,244.18 is: 390,209.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,534.77 : 997,902.29 = 260,244.18 : x
  2. Step 2: Convert to fraction form
    665,534.77/997,902.29 = 260,244.18/x
  3. Step 3: Cross multiply
    665,534.77x = 997,902.29 × 260,244.18
  4. Step 4: Simplify right side
    665,534.77x = 259,698,263,831.78
  5. Step 5: Solve for x
    x = 259,698,263,831.78/665,534.77
  6. Step 6: Final answer
    x = 390,209.91

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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.