Home / 536,917.80-805,991.10-315,426.60

Finding the Fourth Proportional to 536,917.80, 805,991.10 and 315,426.60

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Solution

The fourth proportional to 536,917.80, 805,991.10 and 315,426.60 is: 473,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,917.80 : 805,991.10 = 315,426.60 : x
  2. Step 2: Convert to fraction form
    536,917.80/805,991.10 = 315,426.60/x
  3. Step 3: Cross multiply
    536,917.80x = 805,991.10 × 315,426.60
  4. Step 4: Simplify right side
    536,917.80x = 254,231,032,303.26
  5. Step 5: Solve for x
    x = 254,231,032,303.26/536,917.80
  6. Step 6: Final answer
    x = 473,500.85

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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.