Home / 999,829.74-1,499,969.71-316,757.78

Finding the Fourth Proportional to 999,829.74, 1,499,969.71 and 316,757.78

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Solution

The fourth proportional to 999,829.74, 1,499,969.71 and 316,757.78 is: 475,207.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,829.74 : 1,499,969.71 = 316,757.78 : x
  2. Step 2: Convert to fraction form
    999,829.74/1,499,969.71 = 316,757.78/x
  3. Step 3: Cross multiply
    999,829.74x = 1,499,969.71 × 316,757.78
  4. Step 4: Simplify right side
    999,829.74x = 475,127,078,364.87
  5. Step 5: Solve for x
    x = 475,127,078,364.87/999,829.74
  6. Step 6: Final answer
    x = 475,207.99

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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.