Home / 826,072.18-1,139,999.24-463,522.85

Finding the Fourth Proportional to 826,072.18, 1,139,999.24 and 463,522.85

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Solution

The fourth proportional to 826,072.18, 1,139,999.24 and 463,522.85 is: 639,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,072.18 : 1,139,999.24 = 463,522.85 : x
  2. Step 2: Convert to fraction form
    826,072.18/1,139,999.24 = 463,522.85/x
  3. Step 3: Cross multiply
    826,072.18x = 1,139,999.24 × 463,522.85
  4. Step 4: Simplify right side
    826,072.18x = 528,415,695,031.44
  5. Step 5: Solve for x
    x = 528,415,695,031.44/826,072.18
  6. Step 6: Final answer
    x = 639,672.55

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Double scale
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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.