Home / 476,290.59-657,278.67-261,434.31

Finding the Fourth Proportional to 476,290.59, 657,278.67 and 261,434.31

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Solution

The fourth proportional to 476,290.59, 657,278.67 and 261,434.31 is: 360,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,290.59 : 657,278.67 = 261,434.31 : x
  2. Step 2: Convert to fraction form
    476,290.59/657,278.67 = 261,434.31/x
  3. Step 3: Cross multiply
    476,290.59x = 657,278.67 × 261,434.31
  4. Step 4: Simplify right side
    476,290.59x = 171,835,195,569.17
  5. Step 5: Solve for x
    x = 171,835,195,569.17/476,290.59
  6. Step 6: Final answer
    x = 360,778.06

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1.5x scale

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.