Home / 989,088.42-1,483,751.61-349,260.51

Finding the Fourth Proportional to 989,088.42, 1,483,751.61 and 349,260.51

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Solution

The fourth proportional to 989,088.42, 1,483,751.61 and 349,260.51 is: 523,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,088.42 : 1,483,751.61 = 349,260.51 : x
  2. Step 2: Convert to fraction form
    989,088.42/1,483,751.61 = 349,260.51/x
  3. Step 3: Cross multiply
    989,088.42x = 1,483,751.61 × 349,260.51
  4. Step 4: Simplify right side
    989,088.42x = 518,215,844,021.92
  5. Step 5: Solve for x
    x = 518,215,844,021.92/989,088.42
  6. Step 6: Final answer
    x = 523,932.78

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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.