Home / 742,519.06-1,024,676.05-402,987.31

Finding the Fourth Proportional to 742,519.06, 1,024,676.05 and 402,987.31

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Solution

The fourth proportional to 742,519.06, 1,024,676.05 and 402,987.31 is: 556,122.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,519.06 : 1,024,676.05 = 402,987.31 : x
  2. Step 2: Convert to fraction form
    742,519.06/1,024,676.05 = 402,987.31/x
  3. Step 3: Cross multiply
    742,519.06x = 1,024,676.05 × 402,987.31
  4. Step 4: Simplify right side
    742,519.06x = 412,931,437,872.61
  5. Step 5: Solve for x
    x = 412,931,437,872.61/742,519.06
  6. Step 6: Final answer
    x = 556,122.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.