Home / 971,917.80-1,457,439.30-372,679.80

Finding the Fourth Proportional to 971,917.80, 1,457,439.30 and 372,679.80

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Solution

The fourth proportional to 971,917.80, 1,457,439.30 and 372,679.80 is: 558,851.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,917.80 : 1,457,439.30 = 372,679.80 : x
  2. Step 2: Convert to fraction form
    971,917.80/1,457,439.30 = 372,679.80/x
  3. Step 3: Cross multiply
    971,917.80x = 1,457,439.30 × 372,679.80
  4. Step 4: Simplify right side
    971,917.80x = 543,158,186,836.14
  5. Step 5: Solve for x
    x = 543,158,186,836.14/971,917.80
  6. Step 6: Final answer
    x = 558,851.98

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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.