Home / 908,354.91-1,362,487.06-339,694.20

Finding the Fourth Proportional to 908,354.91, 1,362,487.06 and 339,694.20

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Solution

The fourth proportional to 908,354.91, 1,362,487.06 and 339,694.20 is: 509,524.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,354.91 : 1,362,487.06 = 339,694.20 : x
  2. Step 2: Convert to fraction form
    908,354.91/1,362,487.06 = 339,694.20/x
  3. Step 3: Cross multiply
    908,354.91x = 1,362,487.06 × 339,694.20
  4. Step 4: Simplify right side
    908,354.91x = 462,828,943,346.15
  5. Step 5: Solve for x
    x = 462,828,943,346.15/908,354.91
  6. Step 6: Final answer
    x = 509,524.35

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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.