Home / 913,219.54-1,259,937.74-531,165.22

Finding the Fourth Proportional to 913,219.54, 1,259,937.74 and 531,165.22

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Solution

The fourth proportional to 913,219.54, 1,259,937.74 and 531,165.22 is: 732,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,219.54 : 1,259,937.74 = 531,165.22 : x
  2. Step 2: Convert to fraction form
    913,219.54/1,259,937.74 = 531,165.22/x
  3. Step 3: Cross multiply
    913,219.54x = 1,259,937.74 × 531,165.22
  4. Step 4: Simplify right side
    913,219.54x = 669,235,105,031.47
  5. Step 5: Solve for x
    x = 669,235,105,031.47/913,219.54
  6. Step 6: Final answer
    x = 732,830.47

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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.