Home / 774,841.48-1,069,273.24-443,653.47

Finding the Fourth Proportional to 774,841.48, 1,069,273.24 and 443,653.47

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Solution

The fourth proportional to 774,841.48, 1,069,273.24 and 443,653.47 is: 612,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,841.48 : 1,069,273.24 = 443,653.47 : x
  2. Step 2: Convert to fraction form
    774,841.48/1,069,273.24 = 443,653.47/x
  3. Step 3: Cross multiply
    774,841.48x = 1,069,273.24 × 443,653.47
  4. Step 4: Simplify right side
    774,841.48x = 474,386,782,195.01
  5. Step 5: Solve for x
    x = 474,386,782,195.01/774,841.48
  6. Step 6: Final answer
    x = 612,237.21

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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.