Home / 908,140.20-1,362,210.30-376,699.20

Finding the Fourth Proportional to 908,140.20, 1,362,210.30 and 376,699.20

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Solution

The fourth proportional to 908,140.20, 1,362,210.30 and 376,699.20 is: 565,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,140.20 : 1,362,210.30 = 376,699.20 : x
  2. Step 2: Convert to fraction form
    908,140.20/1,362,210.30 = 376,699.20/x
  3. Step 3: Cross multiply
    908,140.20x = 1,362,210.30 × 376,699.20
  4. Step 4: Simplify right side
    908,140.20x = 513,143,530,241.76
  5. Step 5: Solve for x
    x = 513,143,530,241.76/908,140.20
  6. Step 6: Final answer
    x = 565,048.80

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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.