Home / 842,870.63-1,264,307.22-344,234.63

Finding the Fourth Proportional to 842,870.63, 1,264,307.22 and 344,234.63

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Solution

The fourth proportional to 842,870.63, 1,264,307.22 and 344,234.63 is: 516,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,870.63 : 1,264,307.22 = 344,234.63 : x
  2. Step 2: Convert to fraction form
    842,870.63/1,264,307.22 = 344,234.63/x
  3. Step 3: Cross multiply
    842,870.63x = 1,264,307.22 × 344,234.63
  4. Step 4: Simplify right side
    842,870.63x = 435,218,328,083.03
  5. Step 5: Solve for x
    x = 435,218,328,083.03/842,870.63
  6. Step 6: Final answer
    x = 516,352.47

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Double scale
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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.