Home / 971,785.80-1,458,334.80-545,320.80

Finding the Fourth Proportional to 971,785.80, 1,458,334.80 and 545,320.80

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Solution

The fourth proportional to 971,785.80, 1,458,334.80 and 545,320.80 is: 818,349.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,785.80 : 1,458,334.80 = 545,320.80 : x
  2. Step 2: Convert to fraction form
    971,785.80/1,458,334.80 = 545,320.80/x
  3. Step 3: Cross multiply
    971,785.80x = 1,458,334.80 × 545,320.80
  4. Step 4: Simplify right side
    971,785.80x = 795,260,299,803.84
  5. Step 5: Solve for x
    x = 795,260,299,803.84/971,785.80
  6. Step 6: Final answer
    x = 818,349.37

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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.