Home / 908,402.58-1,362,814.92-309,368.92

Finding the Fourth Proportional to 908,402.58, 1,362,814.92 and 309,368.92

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Solution

The fourth proportional to 908,402.58, 1,362,814.92 and 309,368.92 is: 464,125.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,402.58 : 1,362,814.92 = 309,368.92 : x
  2. Step 2: Convert to fraction form
    908,402.58/1,362,814.92 = 309,368.92/x
  3. Step 3: Cross multiply
    908,402.58x = 1,362,814.92 × 309,368.92
  4. Step 4: Simplify right side
    908,402.58x = 421,612,579,960.29
  5. Step 5: Solve for x
    x = 421,612,579,960.29/908,402.58
  6. Step 6: Final answer
    x = 464,125.26

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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.