Home / 908,085.84-1,361,943.01-339,361.95

Finding the Fourth Proportional to 908,085.84, 1,361,943.01 and 339,361.95

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Solution

The fourth proportional to 908,085.84, 1,361,943.01 and 339,361.95 is: 508,973.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,085.84 : 1,361,943.01 = 339,361.95 : x
  2. Step 2: Convert to fraction form
    908,085.84/1,361,943.01 = 339,361.95/x
  3. Step 3: Cross multiply
    908,085.84x = 1,361,943.01 × 339,361.95
  4. Step 4: Simplify right side
    908,085.84x = 462,191,641,193.96
  5. Step 5: Solve for x
    x = 462,191,641,193.96/908,085.84
  6. Step 6: Final answer
    x = 508,973.52

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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.