Home / 750,779.84-1,036,092.96-428,483.52

Finding the Fourth Proportional to 750,779.84, 1,036,092.96 and 428,483.52

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Solution

The fourth proportional to 750,779.84, 1,036,092.96 and 428,483.52 is: 591,316.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,779.84 : 1,036,092.96 = 428,483.52 : x
  2. Step 2: Convert to fraction form
    750,779.84/1,036,092.96 = 428,483.52/x
  3. Step 3: Cross multiply
    750,779.84x = 1,036,092.96 × 428,483.52
  4. Step 4: Simplify right side
    750,779.84x = 443,948,758,548.02
  5. Step 5: Solve for x
    x = 443,948,758,548.02/750,779.84
  6. Step 6: Final answer
    x = 591,316.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.