Home / 476,569.04-657,645.56-258,769.19

Finding the Fourth Proportional to 476,569.04, 657,645.56 and 258,769.19

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Solution

The fourth proportional to 476,569.04, 657,645.56 and 258,769.19 is: 357,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,569.04 : 657,645.56 = 258,769.19 : x
  2. Step 2: Convert to fraction form
    476,569.04/657,645.56 = 258,769.19/x
  3. Step 3: Cross multiply
    476,569.04x = 657,645.56 × 258,769.19
  4. Step 4: Simplify right side
    476,569.04x = 170,178,410,188.95
  5. Step 5: Solve for x
    x = 170,178,410,188.95/476,569.04
  6. Step 6: Final answer
    x = 357,090.78

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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.