Home / 676,779.54-933,965.01-370,849.74

Finding the Fourth Proportional to 676,779.54, 933,965.01 and 370,849.74

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Solution

The fourth proportional to 676,779.54, 933,965.01 and 370,849.74 is: 511,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,779.54 : 933,965.01 = 370,849.74 : x
  2. Step 2: Convert to fraction form
    676,779.54/933,965.01 = 370,849.74/x
  3. Step 3: Cross multiply
    676,779.54x = 933,965.01 × 370,849.74
  4. Step 4: Simplify right side
    676,779.54x = 346,360,681,127.60
  5. Step 5: Solve for x
    x = 346,360,681,127.60/676,779.54
  6. Step 6: Final answer
    x = 511,777.71

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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.