Home / 707,923.80-1,061,885.70-637,939.80

Finding the Fourth Proportional to 707,923.80, 1,061,885.70 and 637,939.80

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Solution

The fourth proportional to 707,923.80, 1,061,885.70 and 637,939.80 is: 956,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,923.80 : 1,061,885.70 = 637,939.80 : x
  2. Step 2: Convert to fraction form
    707,923.80/1,061,885.70 = 637,939.80/x
  3. Step 3: Cross multiply
    707,923.80x = 1,061,885.70 × 637,939.80
  4. Step 4: Simplify right side
    707,923.80x = 677,419,151,080.86
  5. Step 5: Solve for x
    x = 677,419,151,080.86/707,923.80
  6. Step 6: Final answer
    x = 956,909.70

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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.