Home / 760,793.84-1,049,882.66-421,254.80

Finding the Fourth Proportional to 760,793.84, 1,049,882.66 and 421,254.80

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Solution

The fourth proportional to 760,793.84, 1,049,882.66 and 421,254.80 is: 581,324.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,793.84 : 1,049,882.66 = 421,254.80 : x
  2. Step 2: Convert to fraction form
    760,793.84/1,049,882.66 = 421,254.80/x
  3. Step 3: Cross multiply
    760,793.84x = 1,049,882.66 × 421,254.80
  4. Step 4: Simplify right side
    760,793.84x = 442,268,109,961.77
  5. Step 5: Solve for x
    x = 442,268,109,961.77/760,793.84
  6. Step 6: Final answer
    x = 581,324.51

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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.