Home / 555,559.35-766,734.08-313,857.46

Finding the Fourth Proportional to 555,559.35, 766,734.08 and 313,857.46

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Solution

The fourth proportional to 555,559.35, 766,734.08 and 313,857.46 is: 433,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,559.35 : 766,734.08 = 313,857.46 : x
  2. Step 2: Convert to fraction form
    555,559.35/766,734.08 = 313,857.46/x
  3. Step 3: Cross multiply
    555,559.35x = 766,734.08 × 313,857.46
  4. Step 4: Simplify right side
    555,559.35x = 240,645,210,844.24
  5. Step 5: Solve for x
    x = 240,645,210,844.24/555,559.35
  6. Step 6: Final answer
    x = 433,158.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.