Home / 774,187.80-1,160,829.72-300,319.44

Finding the Fourth Proportional to 774,187.80, 1,160,829.72 and 300,319.44

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Solution

The fourth proportional to 774,187.80, 1,160,829.72 and 300,319.44 is: 450,303.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,187.80 : 1,160,829.72 = 300,319.44 : x
  2. Step 2: Convert to fraction form
    774,187.80/1,160,829.72 = 300,319.44/x
  3. Step 3: Cross multiply
    774,187.80x = 1,160,829.72 × 300,319.44
  4. Step 4: Simplify right side
    774,187.80x = 348,619,731,445.76
  5. Step 5: Solve for x
    x = 348,619,731,445.76/774,187.80
  6. Step 6: Final answer
    x = 450,303.83

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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.