Home / 870,928.02-1,306,265.31-271,749.78

Finding the Fourth Proportional to 870,928.02, 1,306,265.31 and 271,749.78

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Solution

The fourth proportional to 870,928.02, 1,306,265.31 and 271,749.78 is: 407,585.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,928.02 : 1,306,265.31 = 271,749.78 : x
  2. Step 2: Convert to fraction form
    870,928.02/1,306,265.31 = 271,749.78/x
  3. Step 3: Cross multiply
    870,928.02x = 1,306,265.31 × 271,749.78
  4. Step 4: Simplify right side
    870,928.02x = 354,977,310,614.13
  5. Step 5: Solve for x
    x = 354,977,310,614.13/870,928.02
  6. Step 6: Final answer
    x = 407,585.13

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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.