Home / 760,759.23-1,140,953.80-255,189.07

Finding the Fourth Proportional to 760,759.23, 1,140,953.80 and 255,189.07

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Solution

The fourth proportional to 760,759.23, 1,140,953.80 and 255,189.07 is: 382,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,759.23 : 1,140,953.80 = 255,189.07 : x
  2. Step 2: Convert to fraction form
    760,759.23/1,140,953.80 = 255,189.07/x
  3. Step 3: Cross multiply
    760,759.23x = 1,140,953.80 × 255,189.07
  4. Step 4: Simplify right side
    760,759.23x = 291,158,938,797.20
  5. Step 5: Solve for x
    x = 291,158,938,797.20/760,759.23
  6. Step 6: Final answer
    x = 382,721.53

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Similar ratio
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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.