Home / 761,908.60-1,143,022.74-288,583.48

Finding the Fourth Proportional to 761,908.60, 1,143,022.74 and 288,583.48

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Solution

The fourth proportional to 761,908.60, 1,143,022.74 and 288,583.48 is: 432,935.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,908.60 : 1,143,022.74 = 288,583.48 : x
  2. Step 2: Convert to fraction form
    761,908.60/1,143,022.74 = 288,583.48/x
  3. Step 3: Cross multiply
    761,908.60x = 1,143,022.74 × 288,583.48
  4. Step 4: Simplify right side
    761,908.60x = 329,857,480,028.34
  5. Step 5: Solve for x
    x = 329,857,480,028.34/761,908.60
  6. Step 6: Final answer
    x = 432,935.76

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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.