Home / 778,277.73-1,073,859.21-472,514.88

Finding the Fourth Proportional to 778,277.73, 1,073,859.21 and 472,514.88

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Solution

The fourth proportional to 778,277.73, 1,073,859.21 and 472,514.88 is: 651,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,277.73 : 1,073,859.21 = 472,514.88 : x
  2. Step 2: Convert to fraction form
    778,277.73/1,073,859.21 = 472,514.88/x
  3. Step 3: Cross multiply
    778,277.73x = 1,073,859.21 × 472,514.88
  4. Step 4: Simplify right side
    778,277.73x = 507,414,455,750.05
  5. Step 5: Solve for x
    x = 507,414,455,750.05/778,277.73
  6. Step 6: Final answer
    x = 651,970.93

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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.