Home / 688,751.64-1,033,477.38-309,596.01

Finding the Fourth Proportional to 688,751.64, 1,033,477.38 and 309,596.01

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Solution

The fourth proportional to 688,751.64, 1,033,477.38 and 309,596.01 is: 464,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,751.64 : 1,033,477.38 = 309,596.01 : x
  2. Step 2: Convert to fraction form
    688,751.64/1,033,477.38 = 309,596.01/x
  3. Step 3: Cross multiply
    688,751.64x = 1,033,477.38 × 309,596.01
  4. Step 4: Simplify right side
    688,751.64x = 319,960,469,397.71
  5. Step 5: Solve for x
    x = 319,960,469,397.71/688,751.64
  6. Step 6: Final answer
    x = 464,551.30

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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.