Home / 722,570.04-997,115.82-400,293.72

Finding the Fourth Proportional to 722,570.04, 997,115.82 and 400,293.72

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Solution

The fourth proportional to 722,570.04, 997,115.82 and 400,293.72 is: 552,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,570.04 : 997,115.82 = 400,293.72 : x
  2. Step 2: Convert to fraction form
    722,570.04/997,115.82 = 400,293.72/x
  3. Step 3: Cross multiply
    722,570.04x = 997,115.82 × 400,293.72
  4. Step 4: Simplify right side
    722,570.04x = 399,139,200,858.65
  5. Step 5: Solve for x
    x = 399,139,200,858.65/722,570.04
  6. Step 6: Final answer
    x = 552,388.25

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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.