Home / 950,809.35-1,312,109.37-521,088.45

Finding the Fourth Proportional to 950,809.35, 1,312,109.37 and 521,088.45

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Solution

The fourth proportional to 950,809.35, 1,312,109.37 and 521,088.45 is: 719,097.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,809.35 : 1,312,109.37 = 521,088.45 : x
  2. Step 2: Convert to fraction form
    950,809.35/1,312,109.37 = 521,088.45/x
  3. Step 3: Cross multiply
    950,809.35x = 1,312,109.37 × 521,088.45
  4. Step 4: Simplify right side
    950,809.35x = 683,725,037,843.78
  5. Step 5: Solve for x
    x = 683,725,037,843.78/950,809.35
  6. Step 6: Final answer
    x = 719,097.93

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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.