Home / 883,979.80-1,326,066.90-323,135.80

Finding the Fourth Proportional to 883,979.80, 1,326,066.90 and 323,135.80

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Solution

The fourth proportional to 883,979.80, 1,326,066.90 and 323,135.80 is: 484,739.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,979.80 : 1,326,066.90 = 323,135.80 : x
  2. Step 2: Convert to fraction form
    883,979.80/1,326,066.90 = 323,135.80/x
  3. Step 3: Cross multiply
    883,979.80x = 1,326,066.90 × 323,135.80
  4. Step 4: Simplify right side
    883,979.80x = 428,499,688,585.02
  5. Step 5: Solve for x
    x = 428,499,688,585.02/883,979.80
  6. Step 6: Final answer
    x = 484,739.23

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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.