Home / 692,071.96-1,038,018.18-218,805.08

Finding the Fourth Proportional to 692,071.96, 1,038,018.18 and 218,805.08

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Solution

The fourth proportional to 692,071.96, 1,038,018.18 and 218,805.08 is: 328,179.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,071.96 : 1,038,018.18 = 218,805.08 : x
  2. Step 2: Convert to fraction form
    692,071.96/1,038,018.18 = 218,805.08/x
  3. Step 3: Cross multiply
    692,071.96x = 1,038,018.18 × 218,805.08
  4. Step 4: Simplify right side
    692,071.96x = 227,123,650,916.35
  5. Step 5: Solve for x
    x = 227,123,650,916.35/692,071.96
  6. Step 6: Final answer
    x = 328,179.24

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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.