Home / 988,997.52-1,483,762.56-508,963.74

Finding the Fourth Proportional to 988,997.52, 1,483,762.56 and 508,963.74

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Solution

The fourth proportional to 988,997.52, 1,483,762.56 and 508,963.74 is: 763,582.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,997.52 : 1,483,762.56 = 508,963.74 : x
  2. Step 2: Convert to fraction form
    988,997.52/1,483,762.56 = 508,963.74/x
  3. Step 3: Cross multiply
    988,997.52x = 1,483,762.56 × 508,963.74
  4. Step 4: Simplify right side
    988,997.52x = 755,181,341,809.58
  5. Step 5: Solve for x
    x = 755,181,341,809.58/988,997.52
  6. Step 6: Final answer
    x = 763,582.64

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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.