Home / 712,730.39-983,560.11-386,035.27

Finding the Fourth Proportional to 712,730.39, 983,560.11 and 386,035.27

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Solution

The fourth proportional to 712,730.39, 983,560.11 and 386,035.27 is: 532,724.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,730.39 : 983,560.11 = 386,035.27 : x
  2. Step 2: Convert to fraction form
    712,730.39/983,560.11 = 386,035.27/x
  3. Step 3: Cross multiply
    712,730.39x = 983,560.11 × 386,035.27
  4. Step 4: Simplify right side
    712,730.39x = 379,688,892,625.08
  5. Step 5: Solve for x
    x = 379,688,892,625.08/712,730.39
  6. Step 6: Final answer
    x = 532,724.43

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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.