Home / 716,786.43-1,074,681.37-317,209.24

Finding the Fourth Proportional to 716,786.43, 1,074,681.37 and 317,209.24

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Solution

The fourth proportional to 716,786.43, 1,074,681.37 and 317,209.24 is: 475,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,786.43 : 1,074,681.37 = 317,209.24 : x
  2. Step 2: Convert to fraction form
    716,786.43/1,074,681.37 = 317,209.24/x
  3. Step 3: Cross multiply
    716,786.43x = 1,074,681.37 × 317,209.24
  4. Step 4: Simplify right side
    716,786.43x = 340,898,860,619.86
  5. Step 5: Solve for x
    x = 340,898,860,619.86/716,786.43
  6. Step 6: Final answer
    x = 475,593.35

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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.