Home / 842,871.13-1,264,307.97-344,235.13

Finding the Fourth Proportional to 842,871.13, 1,264,307.97 and 344,235.13

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Solution

The fourth proportional to 842,871.13, 1,264,307.97 and 344,235.13 is: 516,353.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,871.13 : 1,264,307.97 = 344,235.13 : x
  2. Step 2: Convert to fraction form
    842,871.13/1,264,307.97 = 344,235.13/x
  3. Step 3: Cross multiply
    842,871.13x = 1,264,307.97 × 344,235.13
  4. Step 4: Simplify right side
    842,871.13x = 435,219,218,412.99
  5. Step 5: Solve for x
    x = 435,219,218,412.99/842,871.13
  6. Step 6: Final answer
    x = 516,353.22

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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.