Home / 908,123.70-1,362,477.15-402,489.30

Finding the Fourth Proportional to 908,123.70, 1,362,477.15 and 402,489.30

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Solution

The fourth proportional to 908,123.70, 1,362,477.15 and 402,489.30 is: 603,863.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,123.70 : 1,362,477.15 = 402,489.30 : x
  2. Step 2: Convert to fraction form
    908,123.70/1,362,477.15 = 402,489.30/x
  3. Step 3: Cross multiply
    908,123.70x = 1,362,477.15 × 402,489.30
  4. Step 4: Simplify right side
    908,123.70x = 548,382,474,369.50
  5. Step 5: Solve for x
    x = 548,382,474,369.50/908,123.70
  6. Step 6: Final answer
    x = 603,863.19

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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.