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Finding the Fourth Proportional to 688,296, 1,032,482.88 and 245,064

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Solution

The fourth proportional to 688,296, 1,032,482.88 and 245,064 is: 367,609.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,296 : 1,032,482.88 = 245,064 : x
  2. Step 2: Convert to fraction form
    688,296/1,032,482.88 = 245,064/x
  3. Step 3: Cross multiply
    688,296x = 1,032,482.88 × 245,064
  4. Step 4: Simplify right side
    688,296x = 253,024,384,504.32
  5. Step 5: Solve for x
    x = 253,024,384,504.32/688,296
  6. Step 6: Final answer
    x = 367,609.84

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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.