Home / 778,886.40-1,168,329.60-479,704.80

Finding the Fourth Proportional to 778,886.40, 1,168,329.60 and 479,704.80

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Solution

The fourth proportional to 778,886.40, 1,168,329.60 and 479,704.80 is: 719,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,886.40 : 1,168,329.60 = 479,704.80 : x
  2. Step 2: Convert to fraction form
    778,886.40/1,168,329.60 = 479,704.80/x
  3. Step 3: Cross multiply
    778,886.40x = 1,168,329.60 × 479,704.80
  4. Step 4: Simplify right side
    778,886.40x = 560,453,317,102.08
  5. Step 5: Solve for x
    x = 560,453,317,102.08/778,886.40
  6. Step 6: Final answer
    x = 719,557.20

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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.