Home / 562,983.40-842,919.90-438,567.40

Finding the Fourth Proportional to 562,983.40, 842,919.90 and 438,567.40

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Solution

The fourth proportional to 562,983.40, 842,919.90 and 438,567.40 is: 656,639.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,983.40 : 842,919.90 = 438,567.40 : x
  2. Step 2: Convert to fraction form
    562,983.40/842,919.90 = 438,567.40/x
  3. Step 3: Cross multiply
    562,983.40x = 842,919.90 × 438,567.40
  4. Step 4: Simplify right side
    562,983.40x = 369,677,188,951.26
  5. Step 5: Solve for x
    x = 369,677,188,951.26/562,983.40
  6. Step 6: Final answer
    x = 656,639.59

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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.