Home / 988,830.52-1,483,288.88-483,816.68

Finding the Fourth Proportional to 988,830.52, 1,483,288.88 and 483,816.68

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Solution

The fourth proportional to 988,830.52, 1,483,288.88 and 483,816.68 is: 725,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,830.52 : 1,483,288.88 = 483,816.68 : x
  2. Step 2: Convert to fraction form
    988,830.52/1,483,288.88 = 483,816.68/x
  3. Step 3: Cross multiply
    988,830.52x = 1,483,288.88 × 483,816.68
  4. Step 4: Simplify right side
    988,830.52x = 717,639,901,402.52
  5. Step 5: Solve for x
    x = 717,639,901,402.52/988,830.52
  6. Step 6: Final answer
    x = 725,746.11

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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.