Home / 485,831.89-670,449.01-270,966.41

Finding the Fourth Proportional to 485,831.89, 670,449.01 and 270,966.41

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Solution

The fourth proportional to 485,831.89, 670,449.01 and 270,966.41 is: 373,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,831.89 : 670,449.01 = 270,966.41 : x
  2. Step 2: Convert to fraction form
    485,831.89/670,449.01 = 270,966.41/x
  3. Step 3: Cross multiply
    485,831.89x = 670,449.01 × 270,966.41
  4. Step 4: Simplify right side
    485,831.89x = 181,669,159,972.92
  5. Step 5: Solve for x
    x = 181,669,159,972.92/485,831.89
  6. Step 6: Final answer
    x = 373,934.20

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1.5x scale

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.