Home / 830,226.50-1,245,733.41-493,931.51

Finding the Fourth Proportional to 830,226.50, 1,245,733.41 and 493,931.51

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Solution

The fourth proportional to 830,226.50, 1,245,733.41 and 493,931.51 is: 741,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,226.50 : 1,245,733.41 = 493,931.51 : x
  2. Step 2: Convert to fraction form
    830,226.50/1,245,733.41 = 493,931.51/x
  3. Step 3: Cross multiply
    830,226.50x = 1,245,733.41 × 493,931.51
  4. Step 4: Simplify right side
    830,226.50x = 615,306,981,775.46
  5. Step 5: Solve for x
    x = 615,306,981,775.46/830,226.50
  6. Step 6: Final answer
    x = 741,131.47

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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.