Home / 555,789.24-766,989.65-301,140.42

Finding the Fourth Proportional to 555,789.24, 766,989.65 and 301,140.42

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Solution

The fourth proportional to 555,789.24, 766,989.65 and 301,140.42 is: 415,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,789.24 : 766,989.65 = 301,140.42 : x
  2. Step 2: Convert to fraction form
    555,789.24/766,989.65 = 301,140.42/x
  3. Step 3: Cross multiply
    555,789.24x = 766,989.65 × 301,140.42
  4. Step 4: Simplify right side
    555,789.24x = 230,971,585,336.65
  5. Step 5: Solve for x
    x = 230,971,585,336.65/555,789.24
  6. Step 6: Final answer
    x = 415,574.05

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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.