Home / 476,343.10-657,360.93-261,502.75

Finding the Fourth Proportional to 476,343.10, 657,360.93 and 261,502.75

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Solution

The fourth proportional to 476,343.10, 657,360.93 and 261,502.75 is: 360,877.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,343.10 : 657,360.93 = 261,502.75 : x
  2. Step 2: Convert to fraction form
    476,343.10/657,360.93 = 261,502.75/x
  3. Step 3: Cross multiply
    476,343.10x = 657,360.93 × 261,502.75
  4. Step 4: Simplify right side
    476,343.10x = 171,901,690,937.56
  5. Step 5: Solve for x
    x = 171,901,690,937.56/476,343.10
  6. Step 6: Final answer
    x = 360,877.89

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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.