Home / 898,864.02-1,240,438.77-496,456.02

Finding the Fourth Proportional to 898,864.02, 1,240,438.77 and 496,456.02

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Solution

The fourth proportional to 898,864.02, 1,240,438.77 and 496,456.02 is: 685,112.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,864.02 : 1,240,438.77 = 496,456.02 : x
  2. Step 2: Convert to fraction form
    898,864.02/1,240,438.77 = 496,456.02/x
  3. Step 3: Cross multiply
    898,864.02x = 1,240,438.77 × 496,456.02
  4. Step 4: Simplify right side
    898,864.02x = 615,823,294,807.90
  5. Step 5: Solve for x
    x = 615,823,294,807.90/898,864.02
  6. Step 6: Final answer
    x = 685,112.85

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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.