Home / 723,873.12-1,085,464.02-424,444.88

Finding the Fourth Proportional to 723,873.12, 1,085,464.02 and 424,444.88

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Solution

The fourth proportional to 723,873.12, 1,085,464.02 and 424,444.88 is: 636,464.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,873.12 : 1,085,464.02 = 424,444.88 : x
  2. Step 2: Convert to fraction form
    723,873.12/1,085,464.02 = 424,444.88/x
  3. Step 3: Cross multiply
    723,873.12x = 1,085,464.02 × 424,444.88
  4. Step 4: Simplify right side
    723,873.12x = 460,719,645,713.22
  5. Step 5: Solve for x
    x = 460,719,645,713.22/723,873.12
  6. Step 6: Final answer
    x = 636,464.64

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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.