Home / 729,953.46-1,007,325.81-407,669.22

Finding the Fourth Proportional to 729,953.46, 1,007,325.81 and 407,669.22

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Solution

The fourth proportional to 729,953.46, 1,007,325.81 and 407,669.22 is: 562,577.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,953.46 : 1,007,325.81 = 407,669.22 : x
  2. Step 2: Convert to fraction form
    729,953.46/1,007,325.81 = 407,669.22/x
  3. Step 3: Cross multiply
    729,953.46x = 1,007,325.81 × 407,669.22
  4. Step 4: Simplify right side
    729,953.46x = 410,655,727,248.57
  5. Step 5: Solve for x
    x = 410,655,727,248.57/729,953.46
  6. Step 6: Final answer
    x = 562,577.96

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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.