Home / 989,094.43-1,483,625.28-315,166.58

Finding the Fourth Proportional to 989,094.43, 1,483,625.28 and 315,166.58

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Solution

The fourth proportional to 989,094.43, 1,483,625.28 and 315,166.58 is: 472,744.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,094.43 : 1,483,625.28 = 315,166.58 : x
  2. Step 2: Convert to fraction form
    989,094.43/1,483,625.28 = 315,166.58/x
  3. Step 3: Cross multiply
    989,094.43x = 1,483,625.28 × 315,166.58
  4. Step 4: Simplify right side
    989,094.43x = 467,589,098,081.02
  5. Step 5: Solve for x
    x = 467,589,098,081.02/989,094.43
  6. Step 6: Final answer
    x = 472,744.65

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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.