Home / 948,479.85-1,308,822.70-534,993.78

Finding the Fourth Proportional to 948,479.85, 1,308,822.70 and 534,993.78

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Solution

The fourth proportional to 948,479.85, 1,308,822.70 and 534,993.78 is: 738,246.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,479.85 : 1,308,822.70 = 534,993.78 : x
  2. Step 2: Convert to fraction form
    948,479.85/1,308,822.70 = 534,993.78/x
  3. Step 3: Cross multiply
    948,479.85x = 1,308,822.70 × 534,993.78
  4. Step 4: Simplify right side
    948,479.85x = 700,212,003,622.81
  5. Step 5: Solve for x
    x = 700,212,003,622.81/948,479.85
  6. Step 6: Final answer
    x = 738,246.58

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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.