Home / 779,618.40-1,168,520.40-358,936.80

Finding the Fourth Proportional to 779,618.40, 1,168,520.40 and 358,936.80

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Solution

The fourth proportional to 779,618.40, 1,168,520.40 and 358,936.80 is: 537,987.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,618.40 : 1,168,520.40 = 358,936.80 : x
  2. Step 2: Convert to fraction form
    779,618.40/1,168,520.40 = 358,936.80/x
  3. Step 3: Cross multiply
    779,618.40x = 1,168,520.40 × 358,936.80
  4. Step 4: Simplify right side
    779,618.40x = 419,424,973,110.72
  5. Step 5: Solve for x
    x = 419,424,973,110.72/779,618.40
  6. Step 6: Final answer
    x = 537,987.52

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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.