Home / 810,688.68-1,118,861.52-466,517.55

Finding the Fourth Proportional to 810,688.68, 1,118,861.52 and 466,517.55

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Solution

The fourth proportional to 810,688.68, 1,118,861.52 and 466,517.55 is: 643,858.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,688.68 : 1,118,861.52 = 466,517.55 : x
  2. Step 2: Convert to fraction form
    810,688.68/1,118,861.52 = 466,517.55/x
  3. Step 3: Cross multiply
    810,688.68x = 1,118,861.52 × 466,517.55
  4. Step 4: Simplify right side
    810,688.68x = 521,968,535,099.68
  5. Step 5: Solve for x
    x = 521,968,535,099.68/810,688.68
  6. Step 6: Final answer
    x = 643,858.18

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Double scale
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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.