Home / 914,645.04-1,372,809.64-465,686.80

Finding the Fourth Proportional to 914,645.04, 1,372,809.64 and 465,686.80

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Solution

The fourth proportional to 914,645.04, 1,372,809.64 and 465,686.80 is: 698,958.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,645.04 : 1,372,809.64 = 465,686.80 : x
  2. Step 2: Convert to fraction form
    914,645.04/1,372,809.64 = 465,686.80/x
  3. Step 3: Cross multiply
    914,645.04x = 1,372,809.64 × 465,686.80
  4. Step 4: Simplify right side
    914,645.04x = 639,299,328,260.75
  5. Step 5: Solve for x
    x = 639,299,328,260.75/914,645.04
  6. Step 6: Final answer
    x = 698,958.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.