Home / 820,704.88-1,133,084.80-530,468.40

Finding the Fourth Proportional to 820,704.88, 1,133,084.80 and 530,468.40

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Solution

The fourth proportional to 820,704.88, 1,133,084.80 and 530,468.40 is: 732,377.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,704.88 : 1,133,084.80 = 530,468.40 : x
  2. Step 2: Convert to fraction form
    820,704.88/1,133,084.80 = 530,468.40/x
  3. Step 3: Cross multiply
    820,704.88x = 1,133,084.80 × 530,468.40
  4. Step 4: Simplify right side
    820,704.88x = 601,065,680,920.32
  5. Step 5: Solve for x
    x = 601,065,680,920.32/820,704.88
  6. Step 6: Final answer
    x = 732,377.37

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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.