Home / 902,760.50-1,245,809.49-500,352.50

Finding the Fourth Proportional to 902,760.50, 1,245,809.49 and 500,352.50

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Solution

The fourth proportional to 902,760.50, 1,245,809.49 and 500,352.50 is: 690,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,760.50 : 1,245,809.49 = 500,352.50 : x
  2. Step 2: Convert to fraction form
    902,760.50/1,245,809.49 = 500,352.50/x
  3. Step 3: Cross multiply
    902,760.50x = 1,245,809.49 × 500,352.50
  4. Step 4: Simplify right side
    902,760.50x = 623,343,892,845.23
  5. Step 5: Solve for x
    x = 623,343,892,845.23/902,760.50
  6. Step 6: Final answer
    x = 690,486.45

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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.