Home / 457,076.07-630,675.49-253,117.13

Finding the Fourth Proportional to 457,076.07, 630,675.49 and 253,117.13

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Solution

The fourth proportional to 457,076.07, 630,675.49 and 253,117.13 is: 349,252.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,076.07 : 630,675.49 = 253,117.13 : x
  2. Step 2: Convert to fraction form
    457,076.07/630,675.49 = 253,117.13/x
  3. Step 3: Cross multiply
    457,076.07x = 630,675.49 × 253,117.13
  4. Step 4: Simplify right side
    457,076.07x = 159,634,769,990.14
  5. Step 5: Solve for x
    x = 159,634,769,990.14/457,076.07
  6. Step 6: Final answer
    x = 349,252.08

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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.