Home / 742,002-1,023,962.76-419,705.16

Finding the Fourth Proportional to 742,002, 1,023,962.76 and 419,705.16

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Solution

The fourth proportional to 742,002, 1,023,962.76 and 419,705.16 is: 579,193.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,002 : 1,023,962.76 = 419,705.16 : x
  2. Step 2: Convert to fraction form
    742,002/1,023,962.76 = 419,705.16/x
  3. Step 3: Cross multiply
    742,002x = 1,023,962.76 × 419,705.16
  4. Step 4: Simplify right side
    742,002x = 429,762,454,019.84
  5. Step 5: Solve for x
    x = 429,762,454,019.84/742,002
  6. Step 6: Final answer
    x = 579,193.12

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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.