Home / 908,628.30-1,362,942.45-310,265.10

Finding the Fourth Proportional to 908,628.30, 1,362,942.45 and 310,265.10

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Solution

The fourth proportional to 908,628.30, 1,362,942.45 and 310,265.10 is: 465,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,628.30 : 1,362,942.45 = 310,265.10 : x
  2. Step 2: Convert to fraction form
    908,628.30/1,362,942.45 = 310,265.10/x
  3. Step 3: Cross multiply
    908,628.30x = 1,362,942.45 × 310,265.10
  4. Step 4: Simplify right side
    908,628.30x = 422,873,475,543.50
  5. Step 5: Solve for x
    x = 422,873,475,543.50/908,628.30
  6. Step 6: Final answer
    x = 465,397.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.