Home / 778,048.74-1,167,072.99-245,943.30

Finding the Fourth Proportional to 778,048.74, 1,167,072.99 and 245,943.30

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Solution

The fourth proportional to 778,048.74, 1,167,072.99 and 245,943.30 is: 368,914.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,048.74 : 1,167,072.99 = 245,943.30 : x
  2. Step 2: Convert to fraction form
    778,048.74/1,167,072.99 = 245,943.30/x
  3. Step 3: Cross multiply
    778,048.74x = 1,167,072.99 × 245,943.30
  4. Step 4: Simplify right side
    778,048.74x = 287,033,782,501.47
  5. Step 5: Solve for x
    x = 287,033,782,501.47/778,048.74
  6. Step 6: Final answer
    x = 368,914.91

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Double scale
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1.5x scale

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.