Home / 906,820.80-1,360,231.20-641,100.30

Finding the Fourth Proportional to 906,820.80, 1,360,231.20 and 641,100.30

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Solution

The fourth proportional to 906,820.80, 1,360,231.20 and 641,100.30 is: 961,650.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,820.80 : 1,360,231.20 = 641,100.30 : x
  2. Step 2: Convert to fraction form
    906,820.80/1,360,231.20 = 641,100.30/x
  3. Step 3: Cross multiply
    906,820.80x = 1,360,231.20 × 641,100.30
  4. Step 4: Simplify right side
    906,820.80x = 872,044,630,389.36
  5. Step 5: Solve for x
    x = 872,044,630,389.36/906,820.80
  6. Step 6: Final answer
    x = 961,650.45

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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.