Home / 862,020.89-1,188,346.04-603,095.65

Finding the Fourth Proportional to 862,020.89, 1,188,346.04 and 603,095.65

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Solution

The fourth proportional to 862,020.89, 1,188,346.04 and 603,095.65 is: 831,402.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,020.89 : 1,188,346.04 = 603,095.65 : x
  2. Step 2: Convert to fraction form
    862,020.89/1,188,346.04 = 603,095.65/x
  3. Step 3: Cross multiply
    862,020.89x = 1,188,346.04 × 603,095.65
  4. Step 4: Simplify right side
    862,020.89x = 716,686,321,432.38
  5. Step 5: Solve for x
    x = 716,686,321,432.38/862,020.89
  6. Step 6: Final answer
    x = 831,402.50

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1.5x scale

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.