Home / 723,916.53-999,052.07-418,005.81

Finding the Fourth Proportional to 723,916.53, 999,052.07 and 418,005.81

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Solution

The fourth proportional to 723,916.53, 999,052.07 and 418,005.81 is: 576,875.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,916.53 : 999,052.07 = 418,005.81 : x
  2. Step 2: Convert to fraction form
    723,916.53/999,052.07 = 418,005.81/x
  3. Step 3: Cross multiply
    723,916.53x = 999,052.07 × 418,005.81
  4. Step 4: Simplify right side
    723,916.53x = 417,609,567,662.50
  5. Step 5: Solve for x
    x = 417,609,567,662.50/723,916.53
  6. Step 6: Final answer
    x = 576,875.30

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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.