Home / 808,725.10-1,213,087.65-622,101.10

Finding the Fourth Proportional to 808,725.10, 1,213,087.65 and 622,101.10

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Solution

The fourth proportional to 808,725.10, 1,213,087.65 and 622,101.10 is: 933,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,725.10 : 1,213,087.65 = 622,101.10 : x
  2. Step 2: Convert to fraction form
    808,725.10/1,213,087.65 = 622,101.10/x
  3. Step 3: Cross multiply
    808,725.10x = 1,213,087.65 × 622,101.10
  4. Step 4: Simplify right side
    808,725.10x = 754,663,161,461.42
  5. Step 5: Solve for x
    x = 754,663,161,461.42/808,725.10
  6. Step 6: Final answer
    x = 933,151.65

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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.