Home / 828,009.02-1,242,013.53-267,043.52

Finding the Fourth Proportional to 828,009.02, 1,242,013.53 and 267,043.52

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Solution

The fourth proportional to 828,009.02, 1,242,013.53 and 267,043.52 is: 400,565.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,009.02 : 1,242,013.53 = 267,043.52 : x
  2. Step 2: Convert to fraction form
    828,009.02/1,242,013.53 = 267,043.52/x
  3. Step 3: Cross multiply
    828,009.02x = 1,242,013.53 × 267,043.52
  4. Step 4: Simplify right side
    828,009.02x = 331,671,664,938.83
  5. Step 5: Solve for x
    x = 331,671,664,938.83/828,009.02
  6. Step 6: Final answer
    x = 400,565.28

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Double scale
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Similar ratio
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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.