Home / 476,504.16-657,545.88-261,643.20

Finding the Fourth Proportional to 476,504.16, 657,545.88 and 261,643.20

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Solution

The fourth proportional to 476,504.16, 657,545.88 and 261,643.20 is: 361,051.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,504.16 : 657,545.88 = 261,643.20 : x
  2. Step 2: Convert to fraction form
    476,504.16/657,545.88 = 261,643.20/x
  3. Step 3: Cross multiply
    476,504.16x = 657,545.88 × 261,643.20
  4. Step 4: Simplify right side
    476,504.16x = 172,042,408,190.02
  5. Step 5: Solve for x
    x = 172,042,408,190.02/476,504.16
  6. Step 6: Final answer
    x = 361,051.22

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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.