Home / 664,012.02-916,325.76-377,525.94

Finding the Fourth Proportional to 664,012.02, 916,325.76 and 377,525.94

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Solution

The fourth proportional to 664,012.02, 916,325.76 and 377,525.94 is: 520,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,012.02 : 916,325.76 = 377,525.94 : x
  2. Step 2: Convert to fraction form
    664,012.02/916,325.76 = 377,525.94/x
  3. Step 3: Cross multiply
    664,012.02x = 916,325.76 × 377,525.94
  4. Step 4: Simplify right side
    664,012.02x = 345,936,743,890.21
  5. Step 5: Solve for x
    x = 345,936,743,890.21/664,012.02
  6. Step 6: Final answer
    x = 520,979.64

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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.