Home / 761,244.39-1,141,151.31-255,450.63

Finding the Fourth Proportional to 761,244.39, 1,141,151.31 and 255,450.63

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Solution

The fourth proportional to 761,244.39, 1,141,151.31 and 255,450.63 is: 382,935.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,244.39 : 1,141,151.31 = 255,450.63 : x
  2. Step 2: Convert to fraction form
    761,244.39/1,141,151.31 = 255,450.63/x
  3. Step 3: Cross multiply
    761,244.39x = 1,141,151.31 × 255,450.63
  4. Step 4: Simplify right side
    761,244.39x = 291,507,821,064.83
  5. Step 5: Solve for x
    x = 291,507,821,064.83/761,244.39
  6. Step 6: Final answer
    x = 382,935.92

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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.