Home / 948,289.38-1,308,662.09-540,382.46

Finding the Fourth Proportional to 948,289.38, 1,308,662.09 and 540,382.46

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Solution

The fourth proportional to 948,289.38, 1,308,662.09 and 540,382.46 is: 745,740.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,289.38 : 1,308,662.09 = 540,382.46 : x
  2. Step 2: Convert to fraction form
    948,289.38/1,308,662.09 = 540,382.46/x
  3. Step 3: Cross multiply
    948,289.38x = 1,308,662.09 × 540,382.46
  4. Step 4: Simplify right side
    948,289.38x = 707,178,039,502.94
  5. Step 5: Solve for x
    x = 707,178,039,502.94/948,289.38
  6. Step 6: Final answer
    x = 745,740.76

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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.