Home / 908,356.41-1,362,489.30-339,695.70

Finding the Fourth Proportional to 908,356.41, 1,362,489.30 and 339,695.70

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Solution

The fourth proportional to 908,356.41, 1,362,489.30 and 339,695.70 is: 509,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,356.41 : 1,362,489.30 = 339,695.70 : x
  2. Step 2: Convert to fraction form
    908,356.41/1,362,489.30 = 339,695.70/x
  3. Step 3: Cross multiply
    908,356.41x = 1,362,489.30 × 339,695.70
  4. Step 4: Simplify right side
    908,356.41x = 462,831,756,506.01
  5. Step 5: Solve for x
    x = 462,831,756,506.01/908,356.41
  6. Step 6: Final answer
    x = 509,526.60

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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.