Home / 692,423.64-1,038,475.08-219,020.76

Finding the Fourth Proportional to 692,423.64, 1,038,475.08 and 219,020.76

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Solution

The fourth proportional to 692,423.64, 1,038,475.08 and 219,020.76 is: 328,480.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,423.64 : 1,038,475.08 = 219,020.76 : x
  2. Step 2: Convert to fraction form
    692,423.64/1,038,475.08 = 219,020.76/x
  3. Step 3: Cross multiply
    692,423.64x = 1,038,475.08 × 219,020.76
  4. Step 4: Simplify right side
    692,423.64x = 227,447,601,262.66
  5. Step 5: Solve for x
    x = 227,447,601,262.66/692,423.64
  6. Step 6: Final answer
    x = 328,480.41

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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.