Home / 762,377.76-1,052,207.28-422,955.36

Finding the Fourth Proportional to 762,377.76, 1,052,207.28 and 422,955.36

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Solution

The fourth proportional to 762,377.76, 1,052,207.28 and 422,955.36 is: 583,748.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,377.76 : 1,052,207.28 = 422,955.36 : x
  2. Step 2: Convert to fraction form
    762,377.76/1,052,207.28 = 422,955.36/x
  3. Step 3: Cross multiply
    762,377.76x = 1,052,207.28 × 422,955.36
  4. Step 4: Simplify right side
    762,377.76x = 445,036,708,907.02
  5. Step 5: Solve for x
    x = 445,036,708,907.02/762,377.76
  6. Step 6: Final answer
    x = 583,748.28

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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.