Home / 877,520.38-1,316,337.98-270,234.22

Finding the Fourth Proportional to 877,520.38, 1,316,337.98 and 270,234.22

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Solution

The fourth proportional to 877,520.38, 1,316,337.98 and 270,234.22 is: 405,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,520.38 : 1,316,337.98 = 270,234.22 : x
  2. Step 2: Convert to fraction form
    877,520.38/1,316,337.98 = 270,234.22/x
  3. Step 3: Cross multiply
    877,520.38x = 1,316,337.98 × 270,234.22
  4. Step 4: Simplify right side
    877,520.38x = 355,719,566,606.09
  5. Step 5: Solve for x
    x = 355,719,566,606.09/877,520.38
  6. Step 6: Final answer
    x = 405,369.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.