Home / 988,720.37-1,483,017.00-315,284.30

Finding the Fourth Proportional to 988,720.37, 1,483,017.00 and 315,284.30

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Solution

The fourth proportional to 988,720.37, 1,483,017.00 and 315,284.30 is: 472,906.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,720.37 : 1,483,017.00 = 315,284.30 : x
  2. Step 2: Convert to fraction form
    988,720.37/1,483,017.00 = 315,284.30/x
  3. Step 3: Cross multiply
    988,720.37x = 1,483,017.00 × 315,284.30
  4. Step 4: Simplify right side
    988,720.37x = 467,571,975,470.49
  5. Step 5: Solve for x
    x = 467,571,975,470.49/988,720.37
  6. Step 6: Final answer
    x = 472,906.18

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1.5x scale

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.