Home / 688,515.80-1,032,482.10-333,638.60

Finding the Fourth Proportional to 688,515.80, 1,032,482.10 and 333,638.60

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Solution

The fourth proportional to 688,515.80, 1,032,482.10 and 333,638.60 is: 500,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,515.80 : 1,032,482.10 = 333,638.60 : x
  2. Step 2: Convert to fraction form
    688,515.80/1,032,482.10 = 333,638.60/x
  3. Step 3: Cross multiply
    688,515.80x = 1,032,482.10 × 333,638.60
  4. Step 4: Simplify right side
    688,515.80x = 344,475,882,369.06
  5. Step 5: Solve for x
    x = 344,475,882,369.06/688,515.80
  6. Step 6: Final answer
    x = 500,316.60

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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.