Home / 950,748.12-1,312,042.72-521,019

Finding the Fourth Proportional to 950,748.12, 1,312,042.72 and 521,019

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Solution

The fourth proportional to 950,748.12, 1,312,042.72 and 521,019 is: 719,011.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,748.12 : 1,312,042.72 = 521,019 : x
  2. Step 2: Convert to fraction form
    950,748.12/1,312,042.72 = 521,019/x
  3. Step 3: Cross multiply
    950,748.12x = 1,312,042.72 × 521,019
  4. Step 4: Simplify right side
    950,748.12x = 683,599,185,931.68
  5. Step 5: Solve for x
    x = 683,599,185,931.68/950,748.12
  6. Step 6: Final answer
    x = 719,011.87

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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.