Home / 522,023.04-720,379.72-304,217.84

Finding the Fourth Proportional to 522,023.04, 720,379.72 and 304,217.84

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Solution

The fourth proportional to 522,023.04, 720,379.72 and 304,217.84 is: 419,813.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,023.04 : 720,379.72 = 304,217.84 : x
  2. Step 2: Convert to fraction form
    522,023.04/720,379.72 = 304,217.84/x
  3. Step 3: Cross multiply
    522,023.04x = 720,379.72 × 304,217.84
  4. Step 4: Simplify right side
    522,023.04x = 219,152,362,398.21
  5. Step 5: Solve for x
    x = 219,152,362,398.21/522,023.04
  6. Step 6: Final answer
    x = 419,813.58

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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.