Home / 971,124-1,340,135.73-541,430.34

Finding the Fourth Proportional to 971,124, 1,340,135.73 and 541,430.34

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Solution

The fourth proportional to 971,124, 1,340,135.73 and 541,430.34 is: 747,165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,124 : 1,340,135.73 = 541,430.34 : x
  2. Step 2: Convert to fraction form
    971,124/1,340,135.73 = 541,430.34/x
  3. Step 3: Cross multiply
    971,124x = 1,340,135.73 × 541,430.34
  4. Step 4: Simplify right side
    971,124x = 725,590,143,940.05
  5. Step 5: Solve for x
    x = 725,590,143,940.05/971,124
  6. Step 6: Final answer
    x = 747,165.29

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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.