Home / 778,731.28-1,168,241.10-246,386.32

Finding the Fourth Proportional to 778,731.28, 1,168,241.10 and 246,386.32

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Solution

The fourth proportional to 778,731.28, 1,168,241.10 and 246,386.32 is: 369,625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,731.28 : 1,168,241.10 = 246,386.32 : x
  2. Step 2: Convert to fraction form
    778,731.28/1,168,241.10 = 246,386.32/x
  3. Step 3: Cross multiply
    778,731.28x = 1,168,241.10 × 246,386.32
  4. Step 4: Simplify right side
    778,731.28x = 287,838,625,501.75
  5. Step 5: Solve for x
    x = 287,838,625,501.75/778,731.28
  6. Step 6: Final answer
    x = 369,625.10

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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.