Home / 723,220.44-997,951.98-400,927.64

Finding the Fourth Proportional to 723,220.44, 997,951.98 and 400,927.64

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Solution

The fourth proportional to 723,220.44, 997,951.98 and 400,927.64 is: 553,229.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,220.44 : 997,951.98 = 400,927.64 : x
  2. Step 2: Convert to fraction form
    723,220.44/997,951.98 = 400,927.64/x
  3. Step 3: Cross multiply
    723,220.44x = 997,951.98 × 400,927.64
  4. Step 4: Simplify right side
    723,220.44x = 400,106,532,174.73
  5. Step 5: Solve for x
    x = 400,106,532,174.73/723,220.44
  6. Step 6: Final answer
    x = 553,229.02

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1.5x scale

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.