Home / 475,132.64-655,683.15-260,280.34

Finding the Fourth Proportional to 475,132.64, 655,683.15 and 260,280.34

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Solution

The fourth proportional to 475,132.64, 655,683.15 and 260,280.34 is: 359,186.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,132.64 : 655,683.15 = 260,280.34 : x
  2. Step 2: Convert to fraction form
    475,132.64/655,683.15 = 260,280.34/x
  3. Step 3: Cross multiply
    475,132.64x = 655,683.15 × 260,280.34
  4. Step 4: Simplify right side
    475,132.64x = 170,661,432,551.11
  5. Step 5: Solve for x
    x = 170,661,432,551.11/475,132.64
  6. Step 6: Final answer
    x = 359,186.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.