Home / 722,849.43-997,554.03-400,529.19

Finding the Fourth Proportional to 722,849.43, 997,554.03 and 400,529.19

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Solution

The fourth proportional to 722,849.43, 997,554.03 and 400,529.19 is: 552,742.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,849.43 : 997,554.03 = 400,529.19 : x
  2. Step 2: Convert to fraction form
    722,849.43/997,554.03 = 400,529.19/x
  3. Step 3: Cross multiply
    722,849.43x = 997,554.03 × 400,529.19
  4. Step 4: Simplify right side
    722,849.43x = 399,549,507,617.14
  5. Step 5: Solve for x
    x = 399,549,507,617.14/722,849.43
  6. Step 6: Final answer
    x = 552,742.37

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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.