Home / 457,074.07-630,672.73-253,115.13

Finding the Fourth Proportional to 457,074.07, 630,672.73 and 253,115.13

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Solution

The fourth proportional to 457,074.07, 630,672.73 and 253,115.13 is: 349,249.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,074.07 : 630,672.73 = 253,115.13 : x
  2. Step 2: Convert to fraction form
    457,074.07/630,672.73 = 253,115.13/x
  3. Step 3: Cross multiply
    457,074.07x = 630,672.73 × 253,115.13
  4. Step 4: Simplify right side
    457,074.07x = 159,632,810,041.41
  5. Step 5: Solve for x
    x = 159,632,810,041.41/457,074.07
  6. Step 6: Final answer
    x = 349,249.32

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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.