Home / 806,325.69-1,209,394.98-300,904.32

Finding the Fourth Proportional to 806,325.69, 1,209,394.98 and 300,904.32

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Solution

The fourth proportional to 806,325.69, 1,209,394.98 and 300,904.32 is: 451,321.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,325.69 : 1,209,394.98 = 300,904.32 : x
  2. Step 2: Convert to fraction form
    806,325.69/1,209,394.98 = 300,904.32/x
  3. Step 3: Cross multiply
    806,325.69x = 1,209,394.98 × 300,904.32
  4. Step 4: Simplify right side
    806,325.69x = 363,912,174,068.31
  5. Step 5: Solve for x
    x = 363,912,174,068.31/806,325.69
  6. Step 6: Final answer
    x = 451,321.57

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1.5x scale

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.