Home / 908,437.83-1,362,867.57-309,404.18

Finding the Fourth Proportional to 908,437.83, 1,362,867.57 and 309,404.18

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Solution

The fourth proportional to 908,437.83, 1,362,867.57 and 309,404.18 is: 464,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,437.83 : 1,362,867.57 = 309,404.18 : x
  2. Step 2: Convert to fraction form
    908,437.83/1,362,867.57 = 309,404.18/x
  3. Step 3: Cross multiply
    908,437.83x = 1,362,867.57 × 309,404.18
  4. Step 4: Simplify right side
    908,437.83x = 421,676,926,351.61
  5. Step 5: Solve for x
    x = 421,676,926,351.61/908,437.83
  6. Step 6: Final answer
    x = 464,178.08

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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.