Home / 908,306.40-1,362,459.60-243,458.40

Finding the Fourth Proportional to 908,306.40, 1,362,459.60 and 243,458.40

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Solution

The fourth proportional to 908,306.40, 1,362,459.60 and 243,458.40 is: 365,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,306.40 : 1,362,459.60 = 243,458.40 : x
  2. Step 2: Convert to fraction form
    908,306.40/1,362,459.60 = 243,458.40/x
  3. Step 3: Cross multiply
    908,306.40x = 1,362,459.60 × 243,458.40
  4. Step 4: Simplify right side
    908,306.40x = 331,702,234,280.64
  5. Step 5: Solve for x
    x = 331,702,234,280.64/908,306.40
  6. Step 6: Final answer
    x = 365,187.60

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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.