Home / 766,027.16-1,147,487.61-355,118.91

Finding the Fourth Proportional to 766,027.16, 1,147,487.61 and 355,118.91

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Solution

The fourth proportional to 766,027.16, 1,147,487.61 and 355,118.91 is: 531,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,027.16 : 1,147,487.61 = 355,118.91 : x
  2. Step 2: Convert to fraction form
    766,027.16/1,147,487.61 = 355,118.91/x
  3. Step 3: Cross multiply
    766,027.16x = 1,147,487.61 × 355,118.91
  4. Step 4: Simplify right side
    766,027.16x = 407,494,549,301.71
  5. Step 5: Solve for x
    x = 407,494,549,301.71/766,027.16
  6. Step 6: Final answer
    x = 531,958.36

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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.