Home / 988,992.63-1,483,473.33-315,068.18

Finding the Fourth Proportional to 988,992.63, 1,483,473.33 and 315,068.18

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Solution

The fourth proportional to 988,992.63, 1,483,473.33 and 315,068.18 is: 472,597.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,992.63 : 1,483,473.33 = 315,068.18 : x
  2. Step 2: Convert to fraction form
    988,992.63/1,483,473.33 = 315,068.18/x
  3. Step 3: Cross multiply
    988,992.63x = 1,483,473.33 × 315,068.18
  4. Step 4: Simplify right side
    988,992.63x = 467,395,234,744.27
  5. Step 5: Solve for x
    x = 467,395,234,744.27/988,992.63
  6. Step 6: Final answer
    x = 472,597.29

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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.