Home / 476,284.20-657,269.88-261,427.92

Finding the Fourth Proportional to 476,284.20, 657,269.88 and 261,427.92

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Solution

The fourth proportional to 476,284.20, 657,269.88 and 261,427.92 is: 360,769.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,284.20 : 657,269.88 = 261,427.92 : x
  2. Step 2: Convert to fraction form
    476,284.20/657,269.88 = 261,427.92/x
  3. Step 3: Cross multiply
    476,284.20x = 657,269.88 × 261,427.92
  4. Step 4: Simplify right side
    476,284.20x = 171,828,697,607.05
  5. Step 5: Solve for x
    x = 171,828,697,607.05/476,284.20
  6. Step 6: Final answer
    x = 360,769.26

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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.