Home / 761,107.32-1,141,663.68-255,653.82

Finding the Fourth Proportional to 761,107.32, 1,141,663.68 and 255,653.82

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Solution

The fourth proportional to 761,107.32, 1,141,663.68 and 255,653.82 is: 383,481.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,107.32 : 1,141,663.68 = 255,653.82 : x
  2. Step 2: Convert to fraction form
    761,107.32/1,141,663.68 = 255,653.82/x
  3. Step 3: Cross multiply
    761,107.32x = 1,141,663.68 × 255,653.82
  4. Step 4: Simplify right side
    761,107.32x = 291,870,680,947.26
  5. Step 5: Solve for x
    x = 291,870,680,947.26/761,107.32
  6. Step 6: Final answer
    x = 383,481.64

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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.