Home / 963,990.32-1,445,987.49-395,266.64

Finding the Fourth Proportional to 963,990.32, 1,445,987.49 and 395,266.64

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Solution

The fourth proportional to 963,990.32, 1,445,987.49 and 395,266.64 is: 592,900.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,990.32 : 1,445,987.49 = 395,266.64 : x
  2. Step 2: Convert to fraction form
    963,990.32/1,445,987.49 = 395,266.64/x
  3. Step 3: Cross multiply
    963,990.32x = 1,445,987.49 × 395,266.64
  4. Step 4: Simplify right side
    963,990.32x = 571,550,616,654.33
  5. Step 5: Solve for x
    x = 571,550,616,654.33/963,990.32
  6. Step 6: Final answer
    x = 592,900.78

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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.