Home / 867,631.04-1,301,670.88-508,105.44

Finding the Fourth Proportional to 867,631.04, 1,301,670.88 and 508,105.44

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Solution

The fourth proportional to 867,631.04, 1,301,670.88 and 508,105.44 is: 762,289.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,631.04 : 1,301,670.88 = 508,105.44 : x
  2. Step 2: Convert to fraction form
    867,631.04/1,301,670.88 = 508,105.44/x
  3. Step 3: Cross multiply
    867,631.04x = 1,301,670.88 × 508,105.44
  4. Step 4: Simplify right side
    867,631.04x = 661,386,055,217.59
  5. Step 5: Solve for x
    x = 661,386,055,217.59/867,631.04
  6. Step 6: Final answer
    x = 762,289.53

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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.