Home / 789,071.60-1,088,778.84-466,795.28

Finding the Fourth Proportional to 789,071.60, 1,088,778.84 and 466,795.28

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Solution

The fourth proportional to 789,071.60, 1,088,778.84 and 466,795.28 is: 644,094.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,071.60 : 1,088,778.84 = 466,795.28 : x
  2. Step 2: Convert to fraction form
    789,071.60/1,088,778.84 = 466,795.28/x
  3. Step 3: Cross multiply
    789,071.60x = 1,088,778.84 × 466,795.28
  4. Step 4: Simplify right side
    789,071.60x = 508,236,823,475.88
  5. Step 5: Solve for x
    x = 508,236,823,475.88/789,071.60
  6. Step 6: Final answer
    x = 644,094.68

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Double scale
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Similar ratio
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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.