Home / 834,879.21-1,152,136.20-452,908.72

Finding the Fourth Proportional to 834,879.21, 1,152,136.20 and 452,908.72

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Solution

The fourth proportional to 834,879.21, 1,152,136.20 and 452,908.72 is: 625,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,879.21 : 1,152,136.20 = 452,908.72 : x
  2. Step 2: Convert to fraction form
    834,879.21/1,152,136.20 = 452,908.72/x
  3. Step 3: Cross multiply
    834,879.21x = 1,152,136.20 × 452,908.72
  4. Step 4: Simplify right side
    834,879.21x = 521,812,531,607.66
  5. Step 5: Solve for x
    x = 521,812,531,607.66/834,879.21
  6. Step 6: Final answer
    x = 625,015.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.