Home / 836,398.34-1,254,622.10-205,312.13

Finding the Fourth Proportional to 836,398.34, 1,254,622.10 and 205,312.13

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Solution

The fourth proportional to 836,398.34, 1,254,622.10 and 205,312.13 is: 307,974.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,398.34 : 1,254,622.10 = 205,312.13 : x
  2. Step 2: Convert to fraction form
    836,398.34/1,254,622.10 = 205,312.13/x
  3. Step 3: Cross multiply
    836,398.34x = 1,254,622.10 × 205,312.13
  4. Step 4: Simplify right side
    836,398.34x = 257,589,128,396.40
  5. Step 5: Solve for x
    x = 257,589,128,396.40/836,398.34
  6. Step 6: Final answer
    x = 307,974.22

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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.