Home / 476,287.30-657,283.29-261,423.46

Finding the Fourth Proportional to 476,287.30, 657,283.29 and 261,423.46

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Solution

The fourth proportional to 476,287.30, 657,283.29 and 261,423.46 is: 360,768.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,287.30 : 657,283.29 = 261,423.46 : x
  2. Step 2: Convert to fraction form
    476,287.30/657,283.29 = 261,423.46/x
  3. Step 3: Cross multiply
    476,287.30x = 657,283.29 × 261,423.46
  4. Step 4: Simplify right side
    476,287.30x = 171,829,271,871.98
  5. Step 5: Solve for x
    x = 171,829,271,871.98/476,287.30
  6. Step 6: Final answer
    x = 360,768.12

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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.