Home / 763,358.19-1,143,293.27-364,279.20

Finding the Fourth Proportional to 763,358.19, 1,143,293.27 and 364,279.20

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Solution

The fourth proportional to 763,358.19, 1,143,293.27 and 364,279.20 is: 545,586.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,358.19 : 1,143,293.27 = 364,279.20 : x
  2. Step 2: Convert to fraction form
    763,358.19/1,143,293.27 = 364,279.20/x
  3. Step 3: Cross multiply
    763,358.19x = 1,143,293.27 × 364,279.20
  4. Step 4: Simplify right side
    763,358.19x = 416,477,955,939.59
  5. Step 5: Solve for x
    x = 416,477,955,939.59/763,358.19
  6. Step 6: Final answer
    x = 545,586.54

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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.