Home / 802,189.65-1,203,284.48-644,725.65

Finding the Fourth Proportional to 802,189.65, 1,203,284.48 and 644,725.65

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Solution

The fourth proportional to 802,189.65, 1,203,284.48 and 644,725.65 is: 967,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,189.65 : 1,203,284.48 = 644,725.65 : x
  2. Step 2: Convert to fraction form
    802,189.65/1,203,284.48 = 644,725.65/x
  3. Step 3: Cross multiply
    802,189.65x = 1,203,284.48 × 644,725.65
  4. Step 4: Simplify right side
    802,189.65x = 775,788,365,279.28
  5. Step 5: Solve for x
    x = 775,788,365,279.28/802,189.65
  6. Step 6: Final answer
    x = 967,088.48

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1.5x scale

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.