Home / 823,746.64-1,233,290.40-523,482.88

Finding the Fourth Proportional to 823,746.64, 1,233,290.40 and 523,482.88

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Solution

The fourth proportional to 823,746.64, 1,233,290.40 and 523,482.88 is: 783,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,746.64 : 1,233,290.40 = 523,482.88 : x
  2. Step 2: Convert to fraction form
    823,746.64/1,233,290.40 = 523,482.88/x
  3. Step 3: Cross multiply
    823,746.64x = 1,233,290.40 × 523,482.88
  4. Step 4: Simplify right side
    823,746.64x = 645,606,410,468.35
  5. Step 5: Solve for x
    x = 645,606,410,468.35/823,746.64
  6. Step 6: Final answer
    x = 783,743.91

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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.