Home / 555,846.40-766,983.21-314,040.75

Finding the Fourth Proportional to 555,846.40, 766,983.21 and 314,040.75

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Solution

The fourth proportional to 555,846.40, 766,983.21 and 314,040.75 is: 433,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,846.40 : 766,983.21 = 314,040.75 : x
  2. Step 2: Convert to fraction form
    555,846.40/766,983.21 = 314,040.75/x
  3. Step 3: Cross multiply
    555,846.40x = 766,983.21 × 314,040.75
  4. Step 4: Simplify right side
    555,846.40x = 240,863,982,505.81
  5. Step 5: Solve for x
    x = 240,863,982,505.81/555,846.40
  6. Step 6: Final answer
    x = 433,328.31

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1.5x scale

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.