Home / 779,772.12-1,075,964.22-440,233.08

Finding the Fourth Proportional to 779,772.12, 1,075,964.22 and 440,233.08

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Solution

The fourth proportional to 779,772.12, 1,075,964.22 and 440,233.08 is: 607,453.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,772.12 : 1,075,964.22 = 440,233.08 : x
  2. Step 2: Convert to fraction form
    779,772.12/1,075,964.22 = 440,233.08/x
  3. Step 3: Cross multiply
    779,772.12x = 1,075,964.22 × 440,233.08
  4. Step 4: Simplify right side
    779,772.12x = 473,675,042,540.40
  5. Step 5: Solve for x
    x = 473,675,042,540.40/779,772.12
  6. Step 6: Final answer
    x = 607,453.17

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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.