Home / 774,210.31-1,068,410.23-434,685.85

Finding the Fourth Proportional to 774,210.31, 1,068,410.23 and 434,685.85

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Solution

The fourth proportional to 774,210.31, 1,068,410.23 and 434,685.85 is: 599,866.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,210.31 : 1,068,410.23 = 434,685.85 : x
  2. Step 2: Convert to fraction form
    774,210.31/1,068,410.23 = 434,685.85/x
  3. Step 3: Cross multiply
    774,210.31x = 1,068,410.23 × 434,685.85
  4. Step 4: Simplify right side
    774,210.31x = 464,422,812,190.63
  5. Step 5: Solve for x
    x = 464,422,812,190.63/774,210.31
  6. Step 6: Final answer
    x = 599,866.48

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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.