Home / 768,414.31-1,060,331.23-446,061.45

Finding the Fourth Proportional to 768,414.31, 1,060,331.23 and 446,061.45

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Solution

The fourth proportional to 768,414.31, 1,060,331.23 and 446,061.45 is: 615,518.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,414.31 : 1,060,331.23 = 446,061.45 : x
  2. Step 2: Convert to fraction form
    768,414.31/1,060,331.23 = 446,061.45/x
  3. Step 3: Cross multiply
    768,414.31x = 1,060,331.23 × 446,061.45
  4. Step 4: Simplify right side
    768,414.31x = 472,972,881,994.44
  5. Step 5: Solve for x
    x = 472,972,881,994.44/768,414.31
  6. Step 6: Final answer
    x = 615,518.05

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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.