Home / 424,984.08-586,479.78-255,221.04

Finding the Fourth Proportional to 424,984.08, 586,479.78 and 255,221.04

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Solution

The fourth proportional to 424,984.08, 586,479.78 and 255,221.04 is: 352,206.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,984.08 : 586,479.78 = 255,221.04 : x
  2. Step 2: Convert to fraction form
    424,984.08/586,479.78 = 255,221.04/x
  3. Step 3: Cross multiply
    424,984.08x = 586,479.78 × 255,221.04
  4. Step 4: Simplify right side
    424,984.08x = 149,681,979,390.57
  5. Step 5: Solve for x
    x = 149,681,979,390.57/424,984.08
  6. Step 6: Final answer
    x = 352,206.09

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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.