Home / 930,779.42-1,394,877.40-424,102.14

Finding the Fourth Proportional to 930,779.42, 1,394,877.40 and 424,102.14

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Solution

The fourth proportional to 930,779.42, 1,394,877.40 and 424,102.14 is: 635,564.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,779.42 : 1,394,877.40 = 424,102.14 : x
  2. Step 2: Convert to fraction form
    930,779.42/1,394,877.40 = 424,102.14/x
  3. Step 3: Cross multiply
    930,779.42x = 1,394,877.40 × 424,102.14
  4. Step 4: Simplify right side
    930,779.42x = 591,570,490,377.64
  5. Step 5: Solve for x
    x = 591,570,490,377.64/930,779.42
  6. Step 6: Final answer
    x = 635,564.64

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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.