Home / 760,843.60-1,049,783.92-450,589.52

Finding the Fourth Proportional to 760,843.60, 1,049,783.92 and 450,589.52

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Solution

The fourth proportional to 760,843.60, 1,049,783.92 and 450,589.52 is: 621,706.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,843.60 : 1,049,783.92 = 450,589.52 : x
  2. Step 2: Convert to fraction form
    760,843.60/1,049,783.92 = 450,589.52/x
  3. Step 3: Cross multiply
    760,843.60x = 1,049,783.92 × 450,589.52
  4. Step 4: Simplify right side
    760,843.60x = 473,021,632,616.52
  5. Step 5: Solve for x
    x = 473,021,632,616.52/760,843.60
  6. Step 6: Final answer
    x = 621,706.79

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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.