Home / 774,178.52-1,068,338.94-434,661.08

Finding the Fourth Proportional to 774,178.52, 1,068,338.94 and 434,661.08

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Solution

The fourth proportional to 774,178.52, 1,068,338.94 and 434,661.08 is: 599,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,178.52 : 1,068,338.94 = 434,661.08 : x
  2. Step 2: Convert to fraction form
    774,178.52/1,068,338.94 = 434,661.08/x
  3. Step 3: Cross multiply
    774,178.52x = 1,068,338.94 × 434,661.08
  4. Step 4: Simplify right side
    774,178.52x = 464,365,357,466.46
  5. Step 5: Solve for x
    x = 464,365,357,466.46/774,178.52
  6. Step 6: Final answer
    x = 599,816.90

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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.