Home / 762,340.02-1,052,002.53-422,839.86

Finding the Fourth Proportional to 762,340.02, 1,052,002.53 and 422,839.86

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Solution

The fourth proportional to 762,340.02, 1,052,002.53 and 422,839.86 is: 583,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,340.02 : 1,052,002.53 = 422,839.86 : x
  2. Step 2: Convert to fraction form
    762,340.02/1,052,002.53 = 422,839.86/x
  3. Step 3: Cross multiply
    762,340.02x = 1,052,002.53 × 422,839.86
  4. Step 4: Simplify right side
    762,340.02x = 444,828,602,504.85
  5. Step 5: Solve for x
    x = 444,828,602,504.85/762,340.02
  6. Step 6: Final answer
    x = 583,504.20

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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.