Home / 710,787.03-1,066,023.30-205,238.28

Finding the Fourth Proportional to 710,787.03, 1,066,023.30 and 205,238.28

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Solution

The fourth proportional to 710,787.03, 1,066,023.30 and 205,238.28 is: 307,812.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,787.03 : 1,066,023.30 = 205,238.28 : x
  2. Step 2: Convert to fraction form
    710,787.03/1,066,023.30 = 205,238.28/x
  3. Step 3: Cross multiply
    710,787.03x = 1,066,023.30 × 205,238.28
  4. Step 4: Simplify right side
    710,787.03x = 218,788,788,531.92
  5. Step 5: Solve for x
    x = 218,788,788,531.92/710,787.03
  6. Step 6: Final answer
    x = 307,812.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.