Home / 436,701.27-602,607.89-255,381.66

Finding the Fourth Proportional to 436,701.27, 602,607.89 and 255,381.66

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Solution

The fourth proportional to 436,701.27, 602,607.89 and 255,381.66 is: 352,403.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,701.27 : 602,607.89 = 255,381.66 : x
  2. Step 2: Convert to fraction form
    436,701.27/602,607.89 = 255,381.66/x
  3. Step 3: Cross multiply
    436,701.27x = 602,607.89 × 255,381.66
  4. Step 4: Simplify right side
    436,701.27x = 153,895,002,000.39
  5. Step 5: Solve for x
    x = 153,895,002,000.39/436,701.27
  6. Step 6: Final answer
    x = 352,403.38

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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.