Home / 778,007.76-1,167,011.82-245,570.28

Finding the Fourth Proportional to 778,007.76, 1,167,011.82 and 245,570.28

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Solution

The fourth proportional to 778,007.76, 1,167,011.82 and 245,570.28 is: 368,355.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,007.76 : 1,167,011.82 = 245,570.28 : x
  2. Step 2: Convert to fraction form
    778,007.76/1,167,011.82 = 245,570.28/x
  3. Step 3: Cross multiply
    778,007.76x = 1,167,011.82 × 245,570.28
  4. Step 4: Simplify right side
    778,007.76x = 286,583,419,400.71
  5. Step 5: Solve for x
    x = 286,583,419,400.71/778,007.76
  6. Step 6: Final answer
    x = 368,355.48

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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.