Home / 948,441.84-1,308,833.28-518,712.54

Finding the Fourth Proportional to 948,441.84, 1,308,833.28 and 518,712.54

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Solution

The fourth proportional to 948,441.84, 1,308,833.28 and 518,712.54 is: 715,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,441.84 : 1,308,833.28 = 518,712.54 : x
  2. Step 2: Convert to fraction form
    948,441.84/1,308,833.28 = 518,712.54/x
  3. Step 3: Cross multiply
    948,441.84x = 1,308,833.28 × 518,712.54
  4. Step 4: Simplify right side
    948,441.84x = 678,908,235,105.33
  5. Step 5: Solve for x
    x = 678,908,235,105.33/948,441.84
  6. Step 6: Final answer
    x = 715,814.30

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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.