Home / 750,784.85-1,036,082.16-406,620.57

Finding the Fourth Proportional to 750,784.85, 1,036,082.16 and 406,620.57

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Solution

The fourth proportional to 750,784.85, 1,036,082.16 and 406,620.57 is: 561,135.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,784.85 : 1,036,082.16 = 406,620.57 : x
  2. Step 2: Convert to fraction form
    750,784.85/1,036,082.16 = 406,620.57/x
  3. Step 3: Cross multiply
    750,784.85x = 1,036,082.16 × 406,620.57
  4. Step 4: Simplify right side
    750,784.85x = 421,292,318,466.03
  5. Step 5: Solve for x
    x = 421,292,318,466.03/750,784.85
  6. Step 6: Final answer
    x = 561,135.89

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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.