Home / 486,132.90-670,901.61-268,384.86

Finding the Fourth Proportional to 486,132.90, 670,901.61 and 268,384.86

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Solution

The fourth proportional to 486,132.90, 670,901.61 and 268,384.86 is: 370,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,132.90 : 670,901.61 = 268,384.86 : x
  2. Step 2: Convert to fraction form
    486,132.90/670,901.61 = 268,384.86/x
  3. Step 3: Cross multiply
    486,132.90x = 670,901.61 × 268,384.86
  4. Step 4: Simplify right side
    486,132.90x = 180,059,834,673.63
  5. Step 5: Solve for x
    x = 180,059,834,673.63/486,132.90
  6. Step 6: Final answer
    x = 370,392.20

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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.