Home / 1,097,778.32-1,646,437.08-309,626

Finding the Fourth Proportional to 1,097,778.32, 1,646,437.08 and 309,626

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Solution

The fourth proportional to 1,097,778.32, 1,646,437.08 and 309,626 is: 464,374.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,778.32 : 1,646,437.08 = 309,626 : x
  2. Step 2: Convert to fraction form
    1,097,778.32/1,646,437.08 = 309,626/x
  3. Step 3: Cross multiply
    1,097,778.32x = 1,646,437.08 × 309,626
  4. Step 4: Simplify right side
    1,097,778.32x = 509,779,727,332.08
  5. Step 5: Solve for x
    x = 509,779,727,332.08/1,097,778.32
  6. Step 6: Final answer
    x = 464,374.02

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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.