Home / 914,364.72-1,370,355.60-509,540.79

Finding the Fourth Proportional to 914,364.72, 1,370,355.60 and 509,540.79

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Solution

The fourth proportional to 914,364.72, 1,370,355.60 and 509,540.79 is: 763,647.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,364.72 : 1,370,355.60 = 509,540.79 : x
  2. Step 2: Convert to fraction form
    914,364.72/1,370,355.60 = 509,540.79/x
  3. Step 3: Cross multiply
    914,364.72x = 1,370,355.60 × 509,540.79
  4. Step 4: Simplify right side
    914,364.72x = 698,252,075,004.92
  5. Step 5: Solve for x
    x = 698,252,075,004.92/914,364.72
  6. Step 6: Final answer
    x = 763,647.22

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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.