Home / 1,097,779.32-1,646,438.58-309,627

Finding the Fourth Proportional to 1,097,779.32, 1,646,438.58 and 309,627

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Solution

The fourth proportional to 1,097,779.32, 1,646,438.58 and 309,627 is: 464,375.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,779.32 : 1,646,438.58 = 309,627 : x
  2. Step 2: Convert to fraction form
    1,097,779.32/1,646,438.58 = 309,627/x
  3. Step 3: Cross multiply
    1,097,779.32x = 1,646,438.58 × 309,627
  4. Step 4: Simplify right side
    1,097,779.32x = 509,781,838,209.66
  5. Step 5: Solve for x
    x = 509,781,838,209.66/1,097,779.32
  6. Step 6: Final answer
    x = 464,375.52

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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.