Home / 989,099.01-1,483,632.36-315,171.18

Finding the Fourth Proportional to 989,099.01, 1,483,632.36 and 315,171.18

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Solution

The fourth proportional to 989,099.01, 1,483,632.36 and 315,171.18 is: 472,751.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,099.01 : 1,483,632.36 = 315,171.18 : x
  2. Step 2: Convert to fraction form
    989,099.01/1,483,632.36 = 315,171.18/x
  3. Step 3: Cross multiply
    989,099.01x = 1,483,632.36 × 315,171.18
  4. Step 4: Simplify right side
    989,099.01x = 467,598,161,587.39
  5. Step 5: Solve for x
    x = 467,598,161,587.39/989,099.01
  6. Step 6: Final answer
    x = 472,751.62

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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.