Home / 1,097,780.32-1,646,440.08-309,628

Finding the Fourth Proportional to 1,097,780.32, 1,646,440.08 and 309,628

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Solution

The fourth proportional to 1,097,780.32, 1,646,440.08 and 309,628 is: 464,377.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,780.32 : 1,646,440.08 = 309,628 : x
  2. Step 2: Convert to fraction form
    1,097,780.32/1,646,440.08 = 309,628/x
  3. Step 3: Cross multiply
    1,097,780.32x = 1,646,440.08 × 309,628
  4. Step 4: Simplify right side
    1,097,780.32x = 509,783,949,090.24
  5. Step 5: Solve for x
    x = 509,783,949,090.24/1,097,780.32
  6. Step 6: Final answer
    x = 464,377.02

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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.