Home / 762,889.32-1,052,751.78-423,354.60

Finding the Fourth Proportional to 762,889.32, 1,052,751.78 and 423,354.60

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Solution

The fourth proportional to 762,889.32, 1,052,751.78 and 423,354.60 is: 584,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,889.32 : 1,052,751.78 = 423,354.60 : x
  2. Step 2: Convert to fraction form
    762,889.32/1,052,751.78 = 423,354.60/x
  3. Step 3: Cross multiply
    762,889.32x = 1,052,751.78 × 423,354.60
  4. Step 4: Simplify right side
    762,889.32x = 445,687,308,721.19
  5. Step 5: Solve for x
    x = 445,687,308,721.19/762,889.32
  6. Step 6: Final answer
    x = 584,209.66

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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.