Home / 774,632.33-1,068,964.17-430,489.65

Finding the Fourth Proportional to 774,632.33, 1,068,964.17 and 430,489.65

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Solution

The fourth proportional to 774,632.33, 1,068,964.17 and 430,489.65 is: 594,059.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,632.33 : 1,068,964.17 = 430,489.65 : x
  2. Step 2: Convert to fraction form
    774,632.33/1,068,964.17 = 430,489.65/x
  3. Step 3: Cross multiply
    774,632.33x = 1,068,964.17 × 430,489.65
  4. Step 4: Simplify right side
    774,632.33x = 460,178,011,405.84
  5. Step 5: Solve for x
    x = 460,178,011,405.84/774,632.33
  6. Step 6: Final answer
    x = 594,059.91

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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.