Home / 742,371.06-1,024,474.80-402,839.31

Finding the Fourth Proportional to 742,371.06, 1,024,474.80 and 402,839.31

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Solution

The fourth proportional to 742,371.06, 1,024,474.80 and 402,839.31 is: 555,919.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,371.06 : 1,024,474.80 = 402,839.31 : x
  2. Step 2: Convert to fraction form
    742,371.06/1,024,474.80 = 402,839.31/x
  3. Step 3: Cross multiply
    742,371.06x = 1,024,474.80 × 402,839.31
  4. Step 4: Simplify right side
    742,371.06x = 412,698,721,544.39
  5. Step 5: Solve for x
    x = 412,698,721,544.39/742,371.06
  6. Step 6: Final answer
    x = 555,919.73

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1.5x scale

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.