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Finding the Fourth Proportional to 676,647.80, 933,773.93 and 370,735.79

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Solution

The fourth proportional to 676,647.80, 933,773.93 and 370,735.79 is: 511,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,647.80 : 933,773.93 = 370,735.79 : x
  2. Step 2: Convert to fraction form
    676,647.80/933,773.93 = 370,735.79/x
  3. Step 3: Cross multiply
    676,647.80x = 933,773.93 × 370,735.79
  4. Step 4: Simplify right side
    676,647.80x = 346,183,415,619.96
  5. Step 5: Solve for x
    x = 346,183,415,619.96/676,647.80
  6. Step 6: Final answer
    x = 511,615.37

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1.5x scale

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.