Home / 770,013.74-1,154,932.37-201,449.71

Finding the Fourth Proportional to 770,013.74, 1,154,932.37 and 201,449.71

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Solution

The fourth proportional to 770,013.74, 1,154,932.37 and 201,449.71 is: 302,151.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,013.74 : 1,154,932.37 = 201,449.71 : x
  2. Step 2: Convert to fraction form
    770,013.74/1,154,932.37 = 201,449.71/x
  3. Step 3: Cross multiply
    770,013.74x = 1,154,932.37 × 201,449.71
  4. Step 4: Simplify right side
    770,013.74x = 232,660,788,622.41
  5. Step 5: Solve for x
    x = 232,660,788,622.41/770,013.74
  6. Step 6: Final answer
    x = 302,151.48

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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.