Home / 760,993.52-1,139,939.60-360,419.90

Finding the Fourth Proportional to 760,993.52, 1,139,939.60 and 360,419.90

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Solution

The fourth proportional to 760,993.52, 1,139,939.60 and 360,419.90 is: 539,895.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,993.52 : 1,139,939.60 = 360,419.90 : x
  2. Step 2: Convert to fraction form
    760,993.52/1,139,939.60 = 360,419.90/x
  3. Step 3: Cross multiply
    760,993.52x = 1,139,939.60 × 360,419.90
  4. Step 4: Simplify right side
    760,993.52x = 410,856,909,136.24
  5. Step 5: Solve for x
    x = 410,856,909,136.24/760,993.52
  6. Step 6: Final answer
    x = 539,895.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.