Home / 463,931.76-640,227.04-270,454.34

Finding the Fourth Proportional to 463,931.76, 640,227.04 and 270,454.34

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Solution

The fourth proportional to 463,931.76, 640,227.04 and 270,454.34 is: 373,227.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,931.76 : 640,227.04 = 270,454.34 : x
  2. Step 2: Convert to fraction form
    463,931.76/640,227.04 = 270,454.34/x
  3. Step 3: Cross multiply
    463,931.76x = 640,227.04 × 270,454.34
  4. Step 4: Simplify right side
    463,931.76x = 173,152,181,553.35
  5. Step 5: Solve for x
    x = 173,152,181,553.35/463,931.76
  6. Step 6: Final answer
    x = 373,227.70

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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.