Home / 714,466.39-985,515.13-423,872.22

Finding the Fourth Proportional to 714,466.39, 985,515.13 and 423,872.22

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Solution

The fourth proportional to 714,466.39, 985,515.13 and 423,872.22 is: 584,677.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,466.39 : 985,515.13 = 423,872.22 : x
  2. Step 2: Convert to fraction form
    714,466.39/985,515.13 = 423,872.22/x
  3. Step 3: Cross multiply
    714,466.39x = 985,515.13 × 423,872.22
  4. Step 4: Simplify right side
    714,466.39x = 417,732,485,996.69
  5. Step 5: Solve for x
    x = 417,732,485,996.69/714,466.39
  6. Step 6: Final answer
    x = 584,677.59

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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.