Home / 558,283.14-770,434.38-303,636.18

Finding the Fourth Proportional to 558,283.14, 770,434.38 and 303,636.18

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Solution

The fourth proportional to 558,283.14, 770,434.38 and 303,636.18 is: 419,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,283.14 : 770,434.38 = 303,636.18 : x
  2. Step 2: Convert to fraction form
    558,283.14/770,434.38 = 303,636.18/x
  3. Step 3: Cross multiply
    558,283.14x = 770,434.38 × 303,636.18
  4. Step 4: Simplify right side
    558,283.14x = 233,931,752,083.87
  5. Step 5: Solve for x
    x = 233,931,752,083.87/558,283.14
  6. Step 6: Final answer
    x = 419,019.91

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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.