Home / 760,338.63-1,140,761.30-254,949.57

Finding the Fourth Proportional to 760,338.63, 1,140,761.30 and 254,949.57

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Solution

The fourth proportional to 760,338.63, 1,140,761.30 and 254,949.57 is: 382,509.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,338.63 : 1,140,761.30 = 254,949.57 : x
  2. Step 2: Convert to fraction form
    760,338.63/1,140,761.30 = 254,949.57/x
  3. Step 3: Cross multiply
    760,338.63x = 1,140,761.30 × 254,949.57
  4. Step 4: Simplify right side
    760,338.63x = 290,836,601,632.89
  5. Step 5: Solve for x
    x = 290,836,601,632.89/760,338.63
  6. Step 6: Final answer
    x = 382,509.31

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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.