Home / 723,776.68-998,931.61-401,590.58

Finding the Fourth Proportional to 723,776.68, 998,931.61 and 401,590.58

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Solution

The fourth proportional to 723,776.68, 998,931.61 and 401,590.58 is: 554,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,776.68 : 998,931.61 = 401,590.58 : x
  2. Step 2: Convert to fraction form
    723,776.68/998,931.61 = 401,590.58/x
  3. Step 3: Cross multiply
    723,776.68x = 998,931.61 × 401,590.58
  4. Step 4: Simplify right side
    723,776.68x = 401,161,517,888.62
  5. Step 5: Solve for x
    x = 401,161,517,888.62/723,776.68
  6. Step 6: Final answer
    x = 554,261.46

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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.