Home / 808,569.35-1,212,854.03-239,970.95

Finding the Fourth Proportional to 808,569.35, 1,212,854.03 and 239,970.95

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Solution

The fourth proportional to 808,569.35, 1,212,854.03 and 239,970.95 is: 359,956.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,569.35 : 1,212,854.03 = 239,970.95 : x
  2. Step 2: Convert to fraction form
    808,569.35/1,212,854.03 = 239,970.95/x
  3. Step 3: Cross multiply
    808,569.35x = 1,212,854.03 × 239,970.95
  4. Step 4: Simplify right side
    808,569.35x = 291,049,732,590.57
  5. Step 5: Solve for x
    x = 291,049,732,590.57/808,569.35
  6. Step 6: Final answer
    x = 359,956.43

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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.