Home / 774,810.27-1,069,324.88-469,055.25

Finding the Fourth Proportional to 774,810.27, 1,069,324.88 and 469,055.25

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Solution

The fourth proportional to 774,810.27, 1,069,324.88 and 469,055.25 is: 647,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,810.27 : 1,069,324.88 = 469,055.25 : x
  2. Step 2: Convert to fraction form
    774,810.27/1,069,324.88 = 469,055.25/x
  3. Step 3: Cross multiply
    774,810.27x = 1,069,324.88 × 469,055.25
  4. Step 4: Simplify right side
    774,810.27x = 501,572,446,574.34
  5. Step 5: Solve for x
    x = 501,572,446,574.34/774,810.27
  6. Step 6: Final answer
    x = 647,348.73

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Double scale
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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.