Home / 849,730.90-1,274,788.38-281,110.66

Finding the Fourth Proportional to 849,730.90, 1,274,788.38 and 281,110.66

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Solution

The fourth proportional to 849,730.90, 1,274,788.38 and 281,110.66 is: 421,729.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,730.90 : 1,274,788.38 = 281,110.66 : x
  2. Step 2: Convert to fraction form
    849,730.90/1,274,788.38 = 281,110.66/x
  3. Step 3: Cross multiply
    849,730.90x = 1,274,788.38 × 281,110.66
  4. Step 4: Simplify right side
    849,730.90x = 358,356,602,862.13
  5. Step 5: Solve for x
    x = 358,356,602,862.13/849,730.90
  6. Step 6: Final answer
    x = 421,729.52

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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.