Home / 420,650.48-580,055.72-277,227.04

Finding the Fourth Proportional to 420,650.48, 580,055.72 and 277,227.04

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Solution

The fourth proportional to 420,650.48, 580,055.72 and 277,227.04 is: 382,282.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,650.48 : 580,055.72 = 277,227.04 : x
  2. Step 2: Convert to fraction form
    420,650.48/580,055.72 = 277,227.04/x
  3. Step 3: Cross multiply
    420,650.48x = 580,055.72 × 277,227.04
  4. Step 4: Simplify right side
    420,650.48x = 160,807,130,290.67
  5. Step 5: Solve for x
    x = 160,807,130,290.67/420,650.48
  6. Step 6: Final answer
    x = 382,282.06

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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.