Home / 457,278.12-630,907.16-295,877.52

Finding the Fourth Proportional to 457,278.12, 630,907.16 and 295,877.52

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Solution

The fourth proportional to 457,278.12, 630,907.16 and 295,877.52 is: 408,222.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,278.12 : 630,907.16 = 295,877.52 : x
  2. Step 2: Convert to fraction form
    457,278.12/630,907.16 = 295,877.52/x
  3. Step 3: Cross multiply
    457,278.12x = 630,907.16 × 295,877.52
  4. Step 4: Simplify right side
    457,278.12x = 186,671,245,851.04
  5. Step 5: Solve for x
    x = 186,671,245,851.04/457,278.12
  6. Step 6: Final answer
    x = 408,222.56

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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.