Home / 555,619.28-766,758.28-300,970.46

Finding the Fourth Proportional to 555,619.28, 766,758.28 and 300,970.46

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Solution

The fourth proportional to 555,619.28, 766,758.28 and 300,970.46 is: 415,341.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,619.28 : 766,758.28 = 300,970.46 : x
  2. Step 2: Convert to fraction form
    555,619.28/766,758.28 = 300,970.46/x
  3. Step 3: Cross multiply
    555,619.28x = 766,758.28 × 300,970.46
  4. Step 4: Simplify right side
    555,619.28x = 230,771,592,240.41
  5. Step 5: Solve for x
    x = 230,771,592,240.41/555,619.28
  6. Step 6: Final answer
    x = 415,341.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.