Home / 807,725.40-1,211,588.10-471,146.10

Finding the Fourth Proportional to 807,725.40, 1,211,588.10 and 471,146.10

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Solution

The fourth proportional to 807,725.40, 1,211,588.10 and 471,146.10 is: 706,719.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,725.40 : 1,211,588.10 = 471,146.10 : x
  2. Step 2: Convert to fraction form
    807,725.40/1,211,588.10 = 471,146.10/x
  3. Step 3: Cross multiply
    807,725.40x = 1,211,588.10 × 471,146.10
  4. Step 4: Simplify right side
    807,725.40x = 570,835,008,121.41
  5. Step 5: Solve for x
    x = 570,835,008,121.41/807,725.40
  6. Step 6: Final answer
    x = 706,719.15

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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.