Home / 982,351.65-1,355,643.22-552,631.77

Finding the Fourth Proportional to 982,351.65, 1,355,643.22 and 552,631.77

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Solution

The fourth proportional to 982,351.65, 1,355,643.22 and 552,631.77 is: 762,630.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,351.65 : 1,355,643.22 = 552,631.77 : x
  2. Step 2: Convert to fraction form
    982,351.65/1,355,643.22 = 552,631.77/x
  3. Step 3: Cross multiply
    982,351.65x = 1,355,643.22 × 552,631.77
  4. Step 4: Simplify right side
    982,351.65x = 749,171,512,157.10
  5. Step 5: Solve for x
    x = 749,171,512,157.10/982,351.65
  6. Step 6: Final answer
    x = 762,630.69

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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.