Home / 875,931.40-1,314,242.70-343,361.80

Finding the Fourth Proportional to 875,931.40, 1,314,242.70 and 343,361.80

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Solution

The fourth proportional to 875,931.40, 1,314,242.70 and 343,361.80 is: 515,178.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,931.40 : 1,314,242.70 = 343,361.80 : x
  2. Step 2: Convert to fraction form
    875,931.40/1,314,242.70 = 343,361.80/x
  3. Step 3: Cross multiply
    875,931.40x = 1,314,242.70 × 343,361.80
  4. Step 4: Simplify right side
    875,931.40x = 451,260,739,108.86
  5. Step 5: Solve for x
    x = 451,260,739,108.86/875,931.40
  6. Step 6: Final answer
    x = 515,178.17

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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.