Home / 1,097,776.32-1,646,434.08-309,624

Finding the Fourth Proportional to 1,097,776.32, 1,646,434.08 and 309,624

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Solution

The fourth proportional to 1,097,776.32, 1,646,434.08 and 309,624 is: 464,371.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,776.32 : 1,646,434.08 = 309,624 : x
  2. Step 2: Convert to fraction form
    1,097,776.32/1,646,434.08 = 309,624/x
  3. Step 3: Cross multiply
    1,097,776.32x = 1,646,434.08 × 309,624
  4. Step 4: Simplify right side
    1,097,776.32x = 509,775,505,585.92
  5. Step 5: Solve for x
    x = 509,775,505,585.92/1,097,776.32
  6. Step 6: Final answer
    x = 464,371.02

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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.