Home / 566,787.15-782,154.54-308,668.61

Finding the Fourth Proportional to 566,787.15, 782,154.54 and 308,668.61

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Solution

The fourth proportional to 566,787.15, 782,154.54 and 308,668.61 is: 425,956.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,787.15 : 782,154.54 = 308,668.61 : x
  2. Step 2: Convert to fraction form
    566,787.15/782,154.54 = 308,668.61/x
  3. Step 3: Cross multiply
    566,787.15x = 782,154.54 × 308,668.61
  4. Step 4: Simplify right side
    566,787.15x = 241,426,550,756.22
  5. Step 5: Solve for x
    x = 241,426,550,756.22/566,787.15
  6. Step 6: Final answer
    x = 425,956.29

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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.