Home / 837,205.75-1,254,364.27-458,399.12

Finding the Fourth Proportional to 837,205.75, 1,254,364.27 and 458,399.12

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Solution

The fourth proportional to 837,205.75, 1,254,364.27 and 458,399.12 is: 686,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,205.75 : 1,254,364.27 = 458,399.12 : x
  2. Step 2: Convert to fraction form
    837,205.75/1,254,364.27 = 458,399.12/x
  3. Step 3: Cross multiply
    837,205.75x = 1,254,364.27 × 458,399.12
  4. Step 4: Simplify right side
    837,205.75x = 574,999,479,517.36
  5. Step 5: Solve for x
    x = 574,999,479,517.36/837,205.75
  6. Step 6: Final answer
    x = 686,807.85

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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.