Home / 713,921.85-1,070,604.95-358,688.25

Finding the Fourth Proportional to 713,921.85, 1,070,604.95 and 358,688.25

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Solution

The fourth proportional to 713,921.85, 1,070,604.95 and 358,688.25 is: 537,892.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,921.85 : 1,070,604.95 = 358,688.25 : x
  2. Step 2: Convert to fraction form
    713,921.85/1,070,604.95 = 358,688.25/x
  3. Step 3: Cross multiply
    713,921.85x = 1,070,604.95 × 358,688.25
  4. Step 4: Simplify right side
    713,921.85x = 384,013,414,163.40
  5. Step 5: Solve for x
    x = 384,013,414,163.40/713,921.85
  6. Step 6: Final answer
    x = 537,892.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.