Home / 723,370.96-998,355.24-401,152.72

Finding the Fourth Proportional to 723,370.96, 998,355.24 and 401,152.72

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Solution

The fourth proportional to 723,370.96, 998,355.24 and 401,152.72 is: 553,648.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,370.96 : 998,355.24 = 401,152.72 : x
  2. Step 2: Convert to fraction form
    723,370.96/998,355.24 = 401,152.72/x
  3. Step 3: Cross multiply
    723,370.96x = 998,355.24 × 401,152.72
  4. Step 4: Simplify right side
    723,370.96x = 400,492,920,052.25
  5. Step 5: Solve for x
    x = 400,492,920,052.25/723,370.96
  6. Step 6: Final answer
    x = 553,648.05

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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.