Home / 838,231.47-1,257,534.69-305,752.52

Finding the Fourth Proportional to 838,231.47, 1,257,534.69 and 305,752.52

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Solution

The fourth proportional to 838,231.47, 1,257,534.69 and 305,752.52 is: 458,697.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,231.47 : 1,257,534.69 = 305,752.52 : x
  2. Step 2: Convert to fraction form
    838,231.47/1,257,534.69 = 305,752.52/x
  3. Step 3: Cross multiply
    838,231.47x = 1,257,534.69 × 305,752.52
  4. Step 4: Simplify right side
    838,231.47x = 384,494,402,452.18
  5. Step 5: Solve for x
    x = 384,494,402,452.18/838,231.47
  6. Step 6: Final answer
    x = 458,697.17

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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.