Home / 768,403.02-1,152,474.48-281,985.06

Finding the Fourth Proportional to 768,403.02, 1,152,474.48 and 281,985.06

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Solution

The fourth proportional to 768,403.02, 1,152,474.48 and 281,985.06 is: 422,929.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,403.02 : 1,152,474.48 = 281,985.06 : x
  2. Step 2: Convert to fraction form
    768,403.02/1,152,474.48 = 281,985.06/x
  3. Step 3: Cross multiply
    768,403.02x = 1,152,474.48 × 281,985.06
  4. Step 4: Simplify right side
    768,403.02x = 324,980,585,391.27
  5. Step 5: Solve for x
    x = 324,980,585,391.27/768,403.02
  6. Step 6: Final answer
    x = 422,929.86

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1.5x scale

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.