Home / 669,929.72-1,004,329.73-290,564.84

Finding the Fourth Proportional to 669,929.72, 1,004,329.73 and 290,564.84

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Solution

The fourth proportional to 669,929.72, 1,004,329.73 and 290,564.84 is: 435,602.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,929.72 : 1,004,329.73 = 290,564.84 : x
  2. Step 2: Convert to fraction form
    669,929.72/1,004,329.73 = 290,564.84/x
  3. Step 3: Cross multiply
    669,929.72x = 1,004,329.73 × 290,564.84
  4. Step 4: Simplify right side
    669,929.72x = 291,822,910,541.93
  5. Step 5: Solve for x
    x = 291,822,910,541.93/669,929.72
  6. Step 6: Final answer
    x = 435,602.28

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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.