Home / 808,284.45-1,212,426.68-493,356.45

Finding the Fourth Proportional to 808,284.45, 1,212,426.68 and 493,356.45

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Solution

The fourth proportional to 808,284.45, 1,212,426.68 and 493,356.45 is: 740,034.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,284.45 : 1,212,426.68 = 493,356.45 : x
  2. Step 2: Convert to fraction form
    808,284.45/1,212,426.68 = 493,356.45/x
  3. Step 3: Cross multiply
    808,284.45x = 1,212,426.68 × 493,356.45
  4. Step 4: Simplify right side
    808,284.45x = 598,158,520,263.30
  5. Step 5: Solve for x
    x = 598,158,520,263.30/808,284.45
  6. Step 6: Final answer
    x = 740,034.68

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Similar ratio
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1.5x scale

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.