Home / 810,174.80-1,212,929.40-495,246.80

Finding the Fourth Proportional to 810,174.80, 1,212,929.40 and 495,246.80

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Solution

The fourth proportional to 810,174.80, 1,212,929.40 and 495,246.80 is: 741,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,174.80 : 1,212,929.40 = 495,246.80 : x
  2. Step 2: Convert to fraction form
    810,174.80/1,212,929.40 = 495,246.80/x
  3. Step 3: Cross multiply
    810,174.80x = 1,212,929.40 × 495,246.80
  4. Step 4: Simplify right side
    810,174.80x = 600,699,403,975.92
  5. Step 5: Solve for x
    x = 600,699,403,975.92/810,174.80
  6. Step 6: Final answer
    x = 741,444.20

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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.