Home / 908,080.77-1,361,935.42-339,356.89

Finding the Fourth Proportional to 908,080.77, 1,361,935.42 and 339,356.89

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Solution

The fourth proportional to 908,080.77, 1,361,935.42 and 339,356.89 is: 508,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,080.77 : 1,361,935.42 = 339,356.89 : x
  2. Step 2: Convert to fraction form
    908,080.77/1,361,935.42 = 339,356.89/x
  3. Step 3: Cross multiply
    908,080.77x = 1,361,935.42 × 339,356.89
  4. Step 4: Simplify right side
    908,080.77x = 462,182,169,366.07
  5. Step 5: Solve for x
    x = 462,182,169,366.07/908,080.77
  6. Step 6: Final answer
    x = 508,965.92

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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.