Home / 705,213.80-1,057,820.70-425,277.80

Finding the Fourth Proportional to 705,213.80, 1,057,820.70 and 425,277.80

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Solution

The fourth proportional to 705,213.80, 1,057,820.70 and 425,277.80 is: 637,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,213.80 : 1,057,820.70 = 425,277.80 : x
  2. Step 2: Convert to fraction form
    705,213.80/1,057,820.70 = 425,277.80/x
  3. Step 3: Cross multiply
    705,213.80x = 1,057,820.70 × 425,277.80
  4. Step 4: Simplify right side
    705,213.80x = 449,867,660,090.46
  5. Step 5: Solve for x
    x = 449,867,660,090.46/705,213.80
  6. Step 6: Final answer
    x = 637,916.70

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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.