Home / 698,518.08-1,046,900.61-298,688.69

Finding the Fourth Proportional to 698,518.08, 1,046,900.61 and 298,688.69

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Solution

The fourth proportional to 698,518.08, 1,046,900.61 and 298,688.69 is: 447,658.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,518.08 : 1,046,900.61 = 298,688.69 : x
  2. Step 2: Convert to fraction form
    698,518.08/1,046,900.61 = 298,688.69/x
  3. Step 3: Cross multiply
    698,518.08x = 1,046,900.61 × 298,688.69
  4. Step 4: Simplify right side
    698,518.08x = 312,697,365,033.15
  5. Step 5: Solve for x
    x = 312,697,365,033.15/698,518.08
  6. Step 6: Final answer
    x = 447,658.23

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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.