Home / 840,957.38-1,261,602.22-308,483.02

Finding the Fourth Proportional to 840,957.38, 1,261,602.22 and 308,483.02

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Solution

The fourth proportional to 840,957.38, 1,261,602.22 and 308,483.02 is: 462,785.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,957.38 : 1,261,602.22 = 308,483.02 : x
  2. Step 2: Convert to fraction form
    840,957.38/1,261,602.22 = 308,483.02/x
  3. Step 3: Cross multiply
    840,957.38x = 1,261,602.22 × 308,483.02
  4. Step 4: Simplify right side
    840,957.38x = 389,182,862,864.30
  5. Step 5: Solve for x
    x = 389,182,862,864.30/840,957.38
  6. Step 6: Final answer
    x = 462,785.48

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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.