Home / 868,538.90-1,302,743.55-362,969.30

Finding the Fourth Proportional to 868,538.90, 1,302,743.55 and 362,969.30

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Solution

The fourth proportional to 868,538.90, 1,302,743.55 and 362,969.30 is: 544,426.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,538.90 : 1,302,743.55 = 362,969.30 : x
  2. Step 2: Convert to fraction form
    868,538.90/1,302,743.55 = 362,969.30/x
  3. Step 3: Cross multiply
    868,538.90x = 1,302,743.55 × 362,969.30
  4. Step 4: Simplify right side
    868,538.90x = 472,855,914,423.02
  5. Step 5: Solve for x
    x = 472,855,914,423.02/868,538.90
  6. Step 6: Final answer
    x = 544,426.87

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Double scale
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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.