Home / 810,132.80-1,212,866.40-495,204.80

Finding the Fourth Proportional to 810,132.80, 1,212,866.40 and 495,204.80

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Solution

The fourth proportional to 810,132.80, 1,212,866.40 and 495,204.80 is: 741,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,132.80 : 1,212,866.40 = 495,204.80 : x
  2. Step 2: Convert to fraction form
    810,132.80/1,212,866.40 = 495,204.80/x
  3. Step 3: Cross multiply
    810,132.80x = 1,212,866.40 × 495,204.80
  4. Step 4: Simplify right side
    810,132.80x = 600,617,263,038.72
  5. Step 5: Solve for x
    x = 600,617,263,038.72/810,132.80
  6. Step 6: Final answer
    x = 741,381.24

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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.