Home / 872,361.46-1,203,680.86-509,715.18

Finding the Fourth Proportional to 872,361.46, 1,203,680.86 and 509,715.18

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Solution

The fourth proportional to 872,361.46, 1,203,680.86 and 509,715.18 is: 703,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,361.46 : 1,203,680.86 = 509,715.18 : x
  2. Step 2: Convert to fraction form
    872,361.46/1,203,680.86 = 509,715.18/x
  3. Step 3: Cross multiply
    872,361.46x = 1,203,680.86 × 509,715.18
  4. Step 4: Simplify right side
    872,361.46x = 613,534,406,217.46
  5. Step 5: Solve for x
    x = 613,534,406,217.46/872,361.46
  6. Step 6: Final answer
    x = 703,302.97

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Double scale
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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.