Home / 778,969.05-1,168,344.23-246,543.90

Finding the Fourth Proportional to 778,969.05, 1,168,344.23 and 246,543.90

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Solution

The fourth proportional to 778,969.05, 1,168,344.23 and 246,543.90 is: 369,781.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,969.05 : 1,168,344.23 = 246,543.90 : x
  2. Step 2: Convert to fraction form
    778,969.05/1,168,344.23 = 246,543.90/x
  3. Step 3: Cross multiply
    778,969.05x = 1,168,344.23 × 246,543.90
  4. Step 4: Simplify right side
    778,969.05x = 288,048,141,773.98
  5. Step 5: Solve for x
    x = 288,048,141,773.98/778,969.05
  6. Step 6: Final answer
    x = 369,781.24

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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.