Home / 398,231.51-596,565.08-262,883.21

Finding the Fourth Proportional to 398,231.51, 596,565.08 and 262,883.21

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Solution

The fourth proportional to 398,231.51, 596,565.08 and 262,883.21 is: 393,808.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,231.51 : 596,565.08 = 262,883.21 : x
  2. Step 2: Convert to fraction form
    398,231.51/596,565.08 = 262,883.21/x
  3. Step 3: Cross multiply
    398,231.51x = 596,565.08 × 262,883.21
  4. Step 4: Simplify right side
    398,231.51x = 156,826,941,670.28
  5. Step 5: Solve for x
    x = 156,826,941,670.28/398,231.51
  6. Step 6: Final answer
    x = 393,808.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.