Home / 768,268.70-1,152,403.05-207,302.30

Finding the Fourth Proportional to 768,268.70, 1,152,403.05 and 207,302.30

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Solution

The fourth proportional to 768,268.70, 1,152,403.05 and 207,302.30 is: 310,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,268.70 : 1,152,403.05 = 207,302.30 : x
  2. Step 2: Convert to fraction form
    768,268.70/1,152,403.05 = 207,302.30/x
  3. Step 3: Cross multiply
    768,268.70x = 1,152,403.05 × 207,302.30
  4. Step 4: Simplify right side
    768,268.70x = 238,895,802,792.02
  5. Step 5: Solve for x
    x = 238,895,802,792.02/768,268.70
  6. Step 6: Final answer
    x = 310,953.45

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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.