Home / 722,569.04-997,114.44-400,292.72

Finding the Fourth Proportional to 722,569.04, 997,114.44 and 400,292.72

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Solution

The fourth proportional to 722,569.04, 997,114.44 and 400,292.72 is: 552,386.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,569.04 : 997,114.44 = 400,292.72 : x
  2. Step 2: Convert to fraction form
    722,569.04/997,114.44 = 400,292.72/x
  3. Step 3: Cross multiply
    722,569.04x = 997,114.44 × 400,292.72
  4. Step 4: Simplify right side
    722,569.04x = 399,137,651,338.88
  5. Step 5: Solve for x
    x = 399,137,651,338.88/722,569.04
  6. Step 6: Final answer
    x = 552,386.87

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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.