Home / 692,301.42-1,038,489.93-218,951.46

Finding the Fourth Proportional to 692,301.42, 1,038,489.93 and 218,951.46

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Solution

The fourth proportional to 692,301.42, 1,038,489.93 and 218,951.46 is: 328,439.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,301.42 : 1,038,489.93 = 218,951.46 : x
  2. Step 2: Convert to fraction form
    692,301.42/1,038,489.93 = 218,951.46/x
  3. Step 3: Cross multiply
    692,301.42x = 1,038,489.93 × 218,951.46
  4. Step 4: Simplify right side
    692,301.42x = 227,378,886,368.80
  5. Step 5: Solve for x
    x = 227,378,886,368.80/692,301.42
  6. Step 6: Final answer
    x = 328,439.14

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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.