Home / 779,618.88-1,169,428.40-188,642.88

Finding the Fourth Proportional to 779,618.88, 1,169,428.40 and 188,642.88

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Solution

The fourth proportional to 779,618.88, 1,169,428.40 and 188,642.88 is: 282,964.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,618.88 : 1,169,428.40 = 188,642.88 : x
  2. Step 2: Convert to fraction form
    779,618.88/1,169,428.40 = 188,642.88/x
  3. Step 3: Cross multiply
    779,618.88x = 1,169,428.40 × 188,642.88
  4. Step 4: Simplify right side
    779,618.88x = 220,604,341,329.79
  5. Step 5: Solve for x
    x = 220,604,341,329.79/779,618.88
  6. Step 6: Final answer
    x = 282,964.34

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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.