Home / 676,786.69-933,965.59-374,980.69

Finding the Fourth Proportional to 676,786.69, 933,965.59 and 374,980.69

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Solution

The fourth proportional to 676,786.69, 933,965.59 and 374,980.69 is: 517,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,786.69 : 933,965.59 = 374,980.69 : x
  2. Step 2: Convert to fraction form
    676,786.69/933,965.59 = 374,980.69/x
  3. Step 3: Cross multiply
    676,786.69x = 933,965.59 × 374,980.69
  4. Step 4: Simplify right side
    676,786.69x = 350,219,062,307.55
  5. Step 5: Solve for x
    x = 350,219,062,307.55/676,786.69
  6. Step 6: Final answer
    x = 517,473.33

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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.