Home / 476,530.43-657,569.14-261,665.78

Finding the Fourth Proportional to 476,530.43, 657,569.14 and 261,665.78

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Solution

The fourth proportional to 476,530.43, 657,569.14 and 261,665.78 is: 361,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,530.43 : 657,569.14 = 261,665.78 : x
  2. Step 2: Convert to fraction form
    476,530.43/657,569.14 = 261,665.78/x
  3. Step 3: Cross multiply
    476,530.43x = 657,569.14 × 261,665.78
  4. Step 4: Simplify right side
    476,530.43x = 172,063,337,980.02
  5. Step 5: Solve for x
    x = 172,063,337,980.02/476,530.43
  6. Step 6: Final answer
    x = 361,075.24

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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.