Home / 742,371.58-1,024,475.50-402,839.82

Finding the Fourth Proportional to 742,371.58, 1,024,475.50 and 402,839.82

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Solution

The fourth proportional to 742,371.58, 1,024,475.50 and 402,839.82 is: 555,920.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,371.58 : 1,024,475.50 = 402,839.82 : x
  2. Step 2: Convert to fraction form
    742,371.58/1,024,475.50 = 402,839.82/x
  3. Step 3: Cross multiply
    742,371.58x = 1,024,475.50 × 402,839.82
  4. Step 4: Simplify right side
    742,371.58x = 412,699,526,014.41
  5. Step 5: Solve for x
    x = 412,699,526,014.41/742,371.58
  6. Step 6: Final answer
    x = 555,920.43

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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.