Home / 778,732.32-1,168,242.64-246,387.36

Finding the Fourth Proportional to 778,732.32, 1,168,242.64 and 246,387.36

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Solution

The fourth proportional to 778,732.32, 1,168,242.64 and 246,387.36 is: 369,626.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,732.32 : 1,168,242.64 = 246,387.36 : x
  2. Step 2: Convert to fraction form
    778,732.32/1,168,242.64 = 246,387.36/x
  3. Step 3: Cross multiply
    778,732.32x = 1,168,242.64 × 246,387.36
  4. Step 4: Simplify right side
    778,732.32x = 287,840,219,909.03
  5. Step 5: Solve for x
    x = 287,840,219,909.03/778,732.32
  6. Step 6: Final answer
    x = 369,626.65

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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.