Home / 771,090.23-1,156,912.07-344,590.34

Finding the Fourth Proportional to 771,090.23, 1,156,912.07 and 344,590.34

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Solution

The fourth proportional to 771,090.23, 1,156,912.07 and 344,590.34 is: 517,009.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,090.23 : 1,156,912.07 = 344,590.34 : x
  2. Step 2: Convert to fraction form
    771,090.23/1,156,912.07 = 344,590.34/x
  3. Step 3: Cross multiply
    771,090.23x = 1,156,912.07 × 344,590.34
  4. Step 4: Simplify right side
    771,090.23x = 398,660,716,043.89
  5. Step 5: Solve for x
    x = 398,660,716,043.89/771,090.23
  6. Step 6: Final answer
    x = 517,009.16

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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.