Home / 999,997.84-1,500,333.46-316,996.25

Finding the Fourth Proportional to 999,997.84, 1,500,333.46 and 316,996.25

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Solution

The fourth proportional to 999,997.84, 1,500,333.46 and 316,996.25 is: 475,601.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,997.84 : 1,500,333.46 = 316,996.25 : x
  2. Step 2: Convert to fraction form
    999,997.84/1,500,333.46 = 316,996.25/x
  3. Step 3: Cross multiply
    999,997.84x = 1,500,333.46 × 316,996.25
  4. Step 4: Simplify right side
    999,997.84x = 475,600,083,203.86
  5. Step 5: Solve for x
    x = 475,600,083,203.86/999,997.84
  6. Step 6: Final answer
    x = 475,601.11

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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.