Home / 760,339.38-1,140,762.42-254,950.32

Finding the Fourth Proportional to 760,339.38, 1,140,762.42 and 254,950.32

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Solution

The fourth proportional to 760,339.38, 1,140,762.42 and 254,950.32 is: 382,510.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,339.38 : 1,140,762.42 = 254,950.32 : x
  2. Step 2: Convert to fraction form
    760,339.38/1,140,762.42 = 254,950.32/x
  3. Step 3: Cross multiply
    760,339.38x = 1,140,762.42 × 254,950.32
  4. Step 4: Simplify right side
    760,339.38x = 290,837,744,022.97
  5. Step 5: Solve for x
    x = 290,837,744,022.97/760,339.38
  6. Step 6: Final answer
    x = 382,510.43

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Double scale
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Similar ratio
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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.