Home / 899,898.72-1,241,937.03-512,832.51

Finding the Fourth Proportional to 899,898.72, 1,241,937.03 and 512,832.51

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Solution

The fourth proportional to 899,898.72, 1,241,937.03 and 512,832.51 is: 707,752.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,898.72 : 1,241,937.03 = 512,832.51 : x
  2. Step 2: Convert to fraction form
    899,898.72/1,241,937.03 = 512,832.51/x
  3. Step 3: Cross multiply
    899,898.72x = 1,241,937.03 × 512,832.51
  4. Step 4: Simplify right side
    899,898.72x = 636,905,684,356.85
  5. Step 5: Solve for x
    x = 636,905,684,356.85/899,898.72
  6. Step 6: Final answer
    x = 707,752.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.