Home / 779,175.52-1,075,203.12-439,675.36

Finding the Fourth Proportional to 779,175.52, 1,075,203.12 and 439,675.36

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Solution

The fourth proportional to 779,175.52, 1,075,203.12 and 439,675.36 is: 606,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,175.52 : 1,075,203.12 = 439,675.36 : x
  2. Step 2: Convert to fraction form
    779,175.52/1,075,203.12 = 439,675.36/x
  3. Step 3: Cross multiply
    779,175.52x = 1,075,203.12 × 439,675.36
  4. Step 4: Simplify right side
    779,175.52x = 472,740,318,859.12
  5. Step 5: Solve for x
    x = 472,740,318,859.12/779,175.52
  6. Step 6: Final answer
    x = 606,718.65

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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.