Home / 760,190.40-1,140,139.80-227,728.80

Finding the Fourth Proportional to 760,190.40, 1,140,139.80 and 227,728.80

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Solution

The fourth proportional to 760,190.40, 1,140,139.80 and 227,728.80 is: 341,549.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,190.40 : 1,140,139.80 = 227,728.80 : x
  2. Step 2: Convert to fraction form
    760,190.40/1,140,139.80 = 227,728.80/x
  3. Step 3: Cross multiply
    760,190.40x = 1,140,139.80 × 227,728.80
  4. Step 4: Simplify right side
    760,190.40x = 259,642,668,486.24
  5. Step 5: Solve for x
    x = 259,642,668,486.24/760,190.40
  6. Step 6: Final answer
    x = 341,549.52

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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.