Home / 810,999.27-1,119,100.08-448,373.48

Finding the Fourth Proportional to 810,999.27, 1,119,100.08 and 448,373.48

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Solution

The fourth proportional to 810,999.27, 1,119,100.08 and 448,373.48 is: 618,711.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,999.27 : 1,119,100.08 = 448,373.48 : x
  2. Step 2: Convert to fraction form
    810,999.27/1,119,100.08 = 448,373.48/x
  3. Step 3: Cross multiply
    810,999.27x = 1,119,100.08 × 448,373.48
  4. Step 4: Simplify right side
    810,999.27x = 501,774,793,423.78
  5. Step 5: Solve for x
    x = 501,774,793,423.78/810,999.27
  6. Step 6: Final answer
    x = 618,711.77

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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.