Home / 637,945.02-957,054.83-318,268.80

Finding the Fourth Proportional to 637,945.02, 957,054.83 and 318,268.80

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Solution

The fourth proportional to 637,945.02, 957,054.83 and 318,268.80 is: 477,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,945.02 : 957,054.83 = 318,268.80 : x
  2. Step 2: Convert to fraction form
    637,945.02/957,054.83 = 318,268.80/x
  3. Step 3: Cross multiply
    637,945.02x = 957,054.83 × 318,268.80
  4. Step 4: Simplify right side
    637,945.02x = 304,600,690,686.96
  5. Step 5: Solve for x
    x = 304,600,690,686.96/637,945.02
  6. Step 6: Final answer
    x = 477,471.70

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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.