Home / 472,414.14-651,927.60-257,550.30

Finding the Fourth Proportional to 472,414.14, 651,927.60 and 257,550.30

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Solution

The fourth proportional to 472,414.14, 651,927.60 and 257,550.30 is: 355,417.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,414.14 : 651,927.60 = 257,550.30 : x
  2. Step 2: Convert to fraction form
    472,414.14/651,927.60 = 257,550.30/x
  3. Step 3: Cross multiply
    472,414.14x = 651,927.60 × 257,550.30
  4. Step 4: Simplify right side
    472,414.14x = 167,904,148,958.28
  5. Step 5: Solve for x
    x = 167,904,148,958.28/472,414.14
  6. Step 6: Final answer
    x = 355,417.28

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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.