Home / 723,063.36-997,887.12-400,874.52

Finding the Fourth Proportional to 723,063.36, 997,887.12 and 400,874.52

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Solution

The fourth proportional to 723,063.36, 997,887.12 and 400,874.52 is: 553,239.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,063.36 : 997,887.12 = 400,874.52 : x
  2. Step 2: Convert to fraction form
    723,063.36/997,887.12 = 400,874.52/x
  3. Step 3: Cross multiply
    723,063.36x = 997,887.12 × 400,874.52
  4. Step 4: Simplify right side
    723,063.36x = 400,027,520,244.18
  5. Step 5: Solve for x
    x = 400,027,520,244.18/723,063.36
  6. Step 6: Final answer
    x = 553,239.93

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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.