Home / 989,594.20-1,484,196.90-324,746.20

Finding the Fourth Proportional to 989,594.20, 1,484,196.90 and 324,746.20

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Solution

The fourth proportional to 989,594.20, 1,484,196.90 and 324,746.20 is: 487,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,594.20 : 1,484,196.90 = 324,746.20 : x
  2. Step 2: Convert to fraction form
    989,594.20/1,484,196.90 = 324,746.20/x
  3. Step 3: Cross multiply
    989,594.20x = 1,484,196.90 × 324,746.20
  4. Step 4: Simplify right side
    989,594.20x = 481,987,303,326.78
  5. Step 5: Solve for x
    x = 481,987,303,326.78/989,594.20
  6. Step 6: Final answer
    x = 487,055.51

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Double scale
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Similar ratio
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1.5x scale

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.