Home / 554,965.38-765,852.90-300,316.57

Finding the Fourth Proportional to 554,965.38, 765,852.90 and 300,316.57

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Solution

The fourth proportional to 554,965.38, 765,852.90 and 300,316.57 is: 414,437.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,965.38 : 765,852.90 = 300,316.57 : x
  2. Step 2: Convert to fraction form
    554,965.38/765,852.90 = 300,316.57/x
  3. Step 3: Cross multiply
    554,965.38x = 765,852.90 × 300,316.57
  4. Step 4: Simplify right side
    554,965.38x = 229,998,314,137.92
  5. Step 5: Solve for x
    x = 229,998,314,137.92/554,965.38
  6. Step 6: Final answer
    x = 414,437.23

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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.