Home / 774,511.80-1,068,822.81-430,403.73

Finding the Fourth Proportional to 774,511.80, 1,068,822.81 and 430,403.73

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Solution

The fourth proportional to 774,511.80, 1,068,822.81 and 430,403.73 is: 593,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,511.80 : 1,068,822.81 = 430,403.73 : x
  2. Step 2: Convert to fraction form
    774,511.80/1,068,822.81 = 430,403.73/x
  3. Step 3: Cross multiply
    774,511.80x = 1,068,822.81 × 430,403.73
  4. Step 4: Simplify right side
    774,511.80x = 460,025,324,133.08
  5. Step 5: Solve for x
    x = 460,025,324,133.08/774,511.80
  6. Step 6: Final answer
    x = 593,955.22

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1.5x scale

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.