Home / 555,091.81-766,045.26-340,190.35

Finding the Fourth Proportional to 555,091.81, 766,045.26 and 340,190.35

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Solution

The fourth proportional to 555,091.81, 766,045.26 and 340,190.35 is: 469,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,091.81 : 766,045.26 = 340,190.35 : x
  2. Step 2: Convert to fraction form
    555,091.81/766,045.26 = 340,190.35/x
  3. Step 3: Cross multiply
    555,091.81x = 766,045.26 × 340,190.35
  4. Step 4: Simplify right side
    555,091.81x = 260,601,205,115.24
  5. Step 5: Solve for x
    x = 260,601,205,115.24/555,091.81
  6. Step 6: Final answer
    x = 469,474.06

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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.