Home / 779,770.22-1,169,696.64-218,848.46

Finding the Fourth Proportional to 779,770.22, 1,169,696.64 and 218,848.46

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Solution

The fourth proportional to 779,770.22, 1,169,696.64 and 218,848.46 is: 328,284.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,770.22 : 1,169,696.64 = 218,848.46 : x
  2. Step 2: Convert to fraction form
    779,770.22/1,169,696.64 = 218,848.46/x
  3. Step 3: Cross multiply
    779,770.22x = 1,169,696.64 × 218,848.46
  4. Step 4: Simplify right side
    779,770.22x = 255,986,302,482.69
  5. Step 5: Solve for x
    x = 255,986,302,482.69/779,770.22
  6. Step 6: Final answer
    x = 328,284.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.