Home / 765,671.13-1,148,611.77-260,096.40

Finding the Fourth Proportional to 765,671.13, 1,148,611.77 and 260,096.40

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Solution

The fourth proportional to 765,671.13, 1,148,611.77 and 260,096.40 is: 390,180.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,671.13 : 1,148,611.77 = 260,096.40 : x
  2. Step 2: Convert to fraction form
    765,671.13/1,148,611.77 = 260,096.40/x
  3. Step 3: Cross multiply
    765,671.13x = 1,148,611.77 × 260,096.40
  4. Step 4: Simplify right side
    765,671.13x = 298,749,786,374.63
  5. Step 5: Solve for x
    x = 298,749,786,374.63/765,671.13
  6. Step 6: Final answer
    x = 390,180.29

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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.