Home / 700,349.11-1,051,468.16-448,121.95

Finding the Fourth Proportional to 700,349.11, 1,051,468.16 and 448,121.95

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Solution

The fourth proportional to 700,349.11, 1,051,468.16 and 448,121.95 is: 672,787.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,349.11 : 1,051,468.16 = 448,121.95 : x
  2. Step 2: Convert to fraction form
    700,349.11/1,051,468.16 = 448,121.95/x
  3. Step 3: Cross multiply
    700,349.11x = 1,051,468.16 × 448,121.95
  4. Step 4: Simplify right side
    700,349.11x = 471,185,957,352.83
  5. Step 5: Solve for x
    x = 471,185,957,352.83/700,349.11
  6. Step 6: Final answer
    x = 672,787.26

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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.