Home / 971,089.94-1,340,109.96-541,397.36

Finding the Fourth Proportional to 971,089.94, 1,340,109.96 and 541,397.36

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Solution

The fourth proportional to 971,089.94, 1,340,109.96 and 541,397.36 is: 747,131.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,089.94 : 1,340,109.96 = 541,397.36 : x
  2. Step 2: Convert to fraction form
    971,089.94/1,340,109.96 = 541,397.36/x
  3. Step 3: Cross multiply
    971,089.94x = 1,340,109.96 × 541,397.36
  4. Step 4: Simplify right side
    971,089.94x = 725,531,994,453.71
  5. Step 5: Solve for x
    x = 725,531,994,453.71/971,089.94
  6. Step 6: Final answer
    x = 747,131.61

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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.