Home / 906,269.40-1,250,340.30-561,981.60

Finding the Fourth Proportional to 906,269.40, 1,250,340.30 and 561,981.60

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Solution

The fourth proportional to 906,269.40, 1,250,340.30 and 561,981.60 is: 775,341.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,269.40 : 1,250,340.30 = 561,981.60 : x
  2. Step 2: Convert to fraction form
    906,269.40/1,250,340.30 = 561,981.60/x
  3. Step 3: Cross multiply
    906,269.40x = 1,250,340.30 × 561,981.60
  4. Step 4: Simplify right side
    906,269.40x = 702,668,242,338.48
  5. Step 5: Solve for x
    x = 702,668,242,338.48/906,269.40
  6. Step 6: Final answer
    x = 775,341.46

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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.