Home / 774,079.79-1,068,231.18-434,550.47

Finding the Fourth Proportional to 774,079.79, 1,068,231.18 and 434,550.47

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Solution

The fourth proportional to 774,079.79, 1,068,231.18 and 434,550.47 is: 599,680.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,079.79 : 1,068,231.18 = 434,550.47 : x
  2. Step 2: Convert to fraction form
    774,079.79/1,068,231.18 = 434,550.47/x
  3. Step 3: Cross multiply
    774,079.79x = 1,068,231.18 × 434,550.47
  4. Step 4: Simplify right side
    774,079.79x = 464,200,355,996.50
  5. Step 5: Solve for x
    x = 464,200,355,996.50/774,079.79
  6. Step 6: Final answer
    x = 599,680.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.