Home / 458,748.12-632,919.60-277,391.28

Finding the Fourth Proportional to 458,748.12, 632,919.60 and 277,391.28

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Solution

The fourth proportional to 458,748.12, 632,919.60 and 277,391.28 is: 382,707.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,748.12 : 632,919.60 = 277,391.28 : x
  2. Step 2: Convert to fraction form
    458,748.12/632,919.60 = 277,391.28/x
  3. Step 3: Cross multiply
    458,748.12x = 632,919.60 × 277,391.28
  4. Step 4: Simplify right side
    458,748.12x = 175,566,377,981.09
  5. Step 5: Solve for x
    x = 175,566,377,981.09/458,748.12
  6. Step 6: Final answer
    x = 382,707.57

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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.