Home / 761,888.28-1,142,820.78-185,516.96

Finding the Fourth Proportional to 761,888.28, 1,142,820.78 and 185,516.96

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Solution

The fourth proportional to 761,888.28, 1,142,820.78 and 185,516.96 is: 278,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,888.28 : 1,142,820.78 = 185,516.96 : x
  2. Step 2: Convert to fraction form
    761,888.28/1,142,820.78 = 185,516.96/x
  3. Step 3: Cross multiply
    761,888.28x = 1,142,820.78 × 185,516.96
  4. Step 4: Simplify right side
    761,888.28x = 212,012,631,216.33
  5. Step 5: Solve for x
    x = 212,012,631,216.33/761,888.28
  6. Step 6: Final answer
    x = 278,272.60

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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.