Home / 727,414.24-1,003,830.96-421,667.69

Finding the Fourth Proportional to 727,414.24, 1,003,830.96 and 421,667.69

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Solution

The fourth proportional to 727,414.24, 1,003,830.96 and 421,667.69 is: 581,901.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,414.24 : 1,003,830.96 = 421,667.69 : x
  2. Step 2: Convert to fraction form
    727,414.24/1,003,830.96 = 421,667.69/x
  3. Step 3: Cross multiply
    727,414.24x = 1,003,830.96 × 421,667.69
  4. Step 4: Simplify right side
    727,414.24x = 423,283,082,053.68
  5. Step 5: Solve for x
    x = 423,283,082,053.68/727,414.24
  6. Step 6: Final answer
    x = 581,901.01

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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.