Home / 643,846.19-966,405.23-483,364.13

Finding the Fourth Proportional to 643,846.19, 966,405.23 and 483,364.13

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Solution

The fourth proportional to 643,846.19, 966,405.23 and 483,364.13 is: 725,523.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,846.19 : 966,405.23 = 483,364.13 : x
  2. Step 2: Convert to fraction form
    643,846.19/966,405.23 = 483,364.13/x
  3. Step 3: Cross multiply
    643,846.19x = 966,405.23 × 483,364.13
  4. Step 4: Simplify right side
    643,846.19x = 467,125,623,226.40
  5. Step 5: Solve for x
    x = 467,125,623,226.40/643,846.19
  6. Step 6: Final answer
    x = 725,523.63

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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.