Home / 722,688.08-997,317.56-400,403.25

Finding the Fourth Proportional to 722,688.08, 997,317.56 and 400,403.25

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Solution

The fourth proportional to 722,688.08, 997,317.56 and 400,403.25 is: 552,560.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,688.08 : 997,317.56 = 400,403.25 : x
  2. Step 2: Convert to fraction form
    722,688.08/997,317.56 = 400,403.25/x
  3. Step 3: Cross multiply
    722,688.08x = 997,317.56 × 400,403.25
  4. Step 4: Simplify right side
    722,688.08x = 399,329,193,307.08
  5. Step 5: Solve for x
    x = 399,329,193,307.08/722,688.08
  6. Step 6: Final answer
    x = 552,560.93

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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.