Home / 698,270-1,047,465.74-192,831.64

Finding the Fourth Proportional to 698,270, 1,047,465.74 and 192,831.64

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Solution

The fourth proportional to 698,270, 1,047,465.74 and 192,831.64 is: 289,264.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,270 : 1,047,465.74 = 192,831.64 : x
  2. Step 2: Convert to fraction form
    698,270/1,047,465.74 = 192,831.64/x
  3. Step 3: Cross multiply
    698,270x = 1,047,465.74 × 192,831.64
  4. Step 4: Simplify right side
    698,270x = 201,984,536,488.01
  5. Step 5: Solve for x
    x = 201,984,536,488.01/698,270
  6. Step 6: Final answer
    x = 289,264.23

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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.