Home / 999,832.80-1,499,440.59-289,913.16

Finding the Fourth Proportional to 999,832.80, 1,499,440.59 and 289,913.16

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Solution

The fourth proportional to 999,832.80, 1,499,440.59 and 289,913.16 is: 434,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,832.80 : 1,499,440.59 = 289,913.16 : x
  2. Step 2: Convert to fraction form
    999,832.80/1,499,440.59 = 289,913.16/x
  3. Step 3: Cross multiply
    999,832.80x = 1,499,440.59 × 289,913.16
  4. Step 4: Simplify right side
    999,832.80x = 434,707,559,679.16
  5. Step 5: Solve for x
    x = 434,707,559,679.16/999,832.80
  6. Step 6: Final answer
    x = 434,780.25

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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.