Home / 779,775.58-1,075,641.15-469,462.15

Finding the Fourth Proportional to 779,775.58, 1,075,641.15 and 469,462.15

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Solution

The fourth proportional to 779,775.58, 1,075,641.15 and 469,462.15 is: 647,587.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,775.58 : 1,075,641.15 = 469,462.15 : x
  2. Step 2: Convert to fraction form
    779,775.58/1,075,641.15 = 469,462.15/x
  3. Step 3: Cross multiply
    779,775.58x = 1,075,641.15 × 469,462.15
  4. Step 4: Simplify right side
    779,775.58x = 504,972,806,907.47
  5. Step 5: Solve for x
    x = 504,972,806,907.47/779,775.58
  6. Step 6: Final answer
    x = 647,587.36

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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.