Home / 778,291.60-1,166,573.40-304,819.60

Finding the Fourth Proportional to 778,291.60, 1,166,573.40 and 304,819.60

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Solution

The fourth proportional to 778,291.60, 1,166,573.40 and 304,819.60 is: 456,891.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,291.60 : 1,166,573.40 = 304,819.60 : x
  2. Step 2: Convert to fraction form
    778,291.60/1,166,573.40 = 304,819.60/x
  3. Step 3: Cross multiply
    778,291.60x = 1,166,573.40 × 304,819.60
  4. Step 4: Simplify right side
    778,291.60x = 355,594,437,158.64
  5. Step 5: Solve for x
    x = 355,594,437,158.64/778,291.60
  6. Step 6: Final answer
    x = 456,891.01

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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.