Home / 810,907.08-1,216,558.44-571,487.64

Finding the Fourth Proportional to 810,907.08, 1,216,558.44 and 571,487.64

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Solution

The fourth proportional to 810,907.08, 1,216,558.44 and 571,487.64 is: 857,370.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,907.08 : 1,216,558.44 = 571,487.64 : x
  2. Step 2: Convert to fraction form
    810,907.08/1,216,558.44 = 571,487.64/x
  3. Step 3: Cross multiply
    810,907.08x = 1,216,558.44 × 571,487.64
  4. Step 4: Simplify right side
    810,907.08x = 695,248,111,797.68
  5. Step 5: Solve for x
    x = 695,248,111,797.68/810,907.08
  6. Step 6: Final answer
    x = 857,370.87

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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.