Home / 749,382.71-1,034,122.55-427,196.60

Finding the Fourth Proportional to 749,382.71, 1,034,122.55 and 427,196.60

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Solution

The fourth proportional to 749,382.71, 1,034,122.55 and 427,196.60 is: 589,516.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,382.71 : 1,034,122.55 = 427,196.60 : x
  2. Step 2: Convert to fraction form
    749,382.71/1,034,122.55 = 427,196.60/x
  3. Step 3: Cross multiply
    749,382.71x = 1,034,122.55 × 427,196.60
  4. Step 4: Simplify right side
    749,382.71x = 441,773,633,914.69
  5. Step 5: Solve for x
    x = 441,773,633,914.69/749,382.71
  6. Step 6: Final answer
    x = 589,516.72

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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.