Home / 762,629.12-1,052,554.08-423,206.72

Finding the Fourth Proportional to 762,629.12, 1,052,554.08 and 423,206.72

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Solution

The fourth proportional to 762,629.12, 1,052,554.08 and 423,206.72 is: 584,095.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,629.12 : 1,052,554.08 = 423,206.72 : x
  2. Step 2: Convert to fraction form
    762,629.12/1,052,554.08 = 423,206.72/x
  3. Step 3: Cross multiply
    762,629.12x = 1,052,554.08 × 423,206.72
  4. Step 4: Simplify right side
    762,629.12x = 445,447,959,819.42
  5. Step 5: Solve for x
    x = 445,447,959,819.42/762,629.12
  6. Step 6: Final answer
    x = 584,095.14

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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.