Home / 930,779.67-1,394,877.78-424,102.40

Finding the Fourth Proportional to 930,779.67, 1,394,877.78 and 424,102.40

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Solution

The fourth proportional to 930,779.67, 1,394,877.78 and 424,102.40 is: 635,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,779.67 : 1,394,877.78 = 424,102.40 : x
  2. Step 2: Convert to fraction form
    930,779.67/1,394,877.78 = 424,102.40/x
  3. Step 3: Cross multiply
    930,779.67x = 1,394,877.78 × 424,102.40
  4. Step 4: Simplify right side
    930,779.67x = 591,571,007,230.28
  5. Step 5: Solve for x
    x = 591,571,007,230.28/930,779.67
  6. Step 6: Final answer
    x = 635,565.03

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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.