Home / 771,152.02-1,064,202.94-422,323.08

Finding the Fourth Proportional to 771,152.02, 1,064,202.94 and 422,323.08

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Solution

The fourth proportional to 771,152.02, 1,064,202.94 and 422,323.08 is: 582,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,152.02 : 1,064,202.94 = 422,323.08 : x
  2. Step 2: Convert to fraction form
    771,152.02/1,064,202.94 = 422,323.08/x
  3. Step 3: Cross multiply
    771,152.02x = 1,064,202.94 × 422,323.08
  4. Step 4: Simplify right side
    771,152.02x = 449,437,463,365.86
  5. Step 5: Solve for x
    x = 449,437,463,365.86/771,152.02
  6. Step 6: Final answer
    x = 582,813.05

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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.