Home / 760,986.72-1,141,529.28-255,527.28

Finding the Fourth Proportional to 760,986.72, 1,141,529.28 and 255,527.28

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Solution

The fourth proportional to 760,986.72, 1,141,529.28 and 255,527.28 is: 383,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,986.72 : 1,141,529.28 = 255,527.28 : x
  2. Step 2: Convert to fraction form
    760,986.72/1,141,529.28 = 255,527.28/x
  3. Step 3: Cross multiply
    760,986.72x = 1,141,529.28 × 255,527.28
  4. Step 4: Simplify right side
    760,986.72x = 291,691,871,958.76
  5. Step 5: Solve for x
    x = 291,691,871,958.76/760,986.72
  6. Step 6: Final answer
    x = 383,307.44

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Double scale
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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.