Home / 760,845.60-1,049,786.68-450,591.52

Finding the Fourth Proportional to 760,845.60, 1,049,786.68 and 450,591.52

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Solution

The fourth proportional to 760,845.60, 1,049,786.68 and 450,591.52 is: 621,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,845.60 : 1,049,786.68 = 450,591.52 : x
  2. Step 2: Convert to fraction form
    760,845.60/1,049,786.68 = 450,591.52/x
  3. Step 3: Cross multiply
    760,845.60x = 1,049,786.68 × 450,591.52
  4. Step 4: Simplify right side
    760,845.60x = 473,024,975,816.95
  5. Step 5: Solve for x
    x = 473,024,975,816.95/760,845.60
  6. Step 6: Final answer
    x = 621,709.55

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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.