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Finding the Fourth Proportional to 507,205.80, 760,259.52 and 329,840.10

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Solution

The fourth proportional to 507,205.80, 760,259.52 and 329,840.10 is: 494,403.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,205.80 : 760,259.52 = 329,840.10 : x
  2. Step 2: Convert to fraction form
    507,205.80/760,259.52 = 329,840.10/x
  3. Step 3: Cross multiply
    507,205.80x = 760,259.52 × 329,840.10
  4. Step 4: Simplify right side
    507,205.80x = 250,764,076,102.75
  5. Step 5: Solve for x
    x = 250,764,076,102.75/507,205.80
  6. Step 6: Final answer
    x = 494,403.01

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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.