Home / 872,834.50-1,204,492.71-505,327.13

Finding the Fourth Proportional to 872,834.50, 1,204,492.71 and 505,327.13

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Solution

The fourth proportional to 872,834.50, 1,204,492.71 and 505,327.13 is: 697,340.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,834.50 : 1,204,492.71 = 505,327.13 : x
  2. Step 2: Convert to fraction form
    872,834.50/1,204,492.71 = 505,327.13/x
  3. Step 3: Cross multiply
    872,834.50x = 1,204,492.71 × 505,327.13
  4. Step 4: Simplify right side
    872,834.50x = 608,662,844,250.22
  5. Step 5: Solve for x
    x = 608,662,844,250.22/872,834.50
  6. Step 6: Final answer
    x = 697,340.50

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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.