Home / 684,132.48-944,002.45-389,785.06

Finding the Fourth Proportional to 684,132.48, 944,002.45 and 389,785.06

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Solution

The fourth proportional to 684,132.48, 944,002.45 and 389,785.06 is: 537,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,132.48 : 944,002.45 = 389,785.06 : x
  2. Step 2: Convert to fraction form
    684,132.48/944,002.45 = 389,785.06/x
  3. Step 3: Cross multiply
    684,132.48x = 944,002.45 × 389,785.06
  4. Step 4: Simplify right side
    684,132.48x = 367,958,053,280.63
  5. Step 5: Solve for x
    x = 367,958,053,280.63/684,132.48
  6. Step 6: Final answer
    x = 537,846.20

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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.