Home / 958,973.57-1,439,102.42-398,008.61

Finding the Fourth Proportional to 958,973.57, 1,439,102.42 and 398,008.61

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Solution

The fourth proportional to 958,973.57, 1,439,102.42 and 398,008.61 is: 597,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,973.57 : 1,439,102.42 = 398,008.61 : x
  2. Step 2: Convert to fraction form
    958,973.57/1,439,102.42 = 398,008.61/x
  3. Step 3: Cross multiply
    958,973.57x = 1,439,102.42 × 398,008.61
  4. Step 4: Simplify right side
    958,973.57x = 572,775,153,831.84
  5. Step 5: Solve for x
    x = 572,775,153,831.84/958,973.57
  6. Step 6: Final answer
    x = 597,279.40

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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.