Home / 912,247.80-1,368,371.70-576,324.60

Finding the Fourth Proportional to 912,247.80, 1,368,371.70 and 576,324.60

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Solution

The fourth proportional to 912,247.80, 1,368,371.70 and 576,324.60 is: 864,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,247.80 : 1,368,371.70 = 576,324.60 : x
  2. Step 2: Convert to fraction form
    912,247.80/1,368,371.70 = 576,324.60/x
  3. Step 3: Cross multiply
    912,247.80x = 1,368,371.70 × 576,324.60
  4. Step 4: Simplify right side
    912,247.80x = 788,626,272,653.82
  5. Step 5: Solve for x
    x = 788,626,272,653.82/912,247.80
  6. Step 6: Final answer
    x = 864,486.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.