Home / 457,018.69-630,681.41-263,355.25

Finding the Fourth Proportional to 457,018.69, 630,681.41 and 263,355.25

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Solution

The fourth proportional to 457,018.69, 630,681.41 and 263,355.25 is: 363,427.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,018.69 : 630,681.41 = 263,355.25 : x
  2. Step 2: Convert to fraction form
    457,018.69/630,681.41 = 263,355.25/x
  3. Step 3: Cross multiply
    457,018.69x = 630,681.41 × 263,355.25
  4. Step 4: Simplify right side
    457,018.69x = 166,093,260,400.90
  5. Step 5: Solve for x
    x = 166,093,260,400.90/457,018.69
  6. Step 6: Final answer
    x = 363,427.72

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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.