Home / 669,438.84-1,004,328.36-189,666.12

Finding the Fourth Proportional to 669,438.84, 1,004,328.36 and 189,666.12

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Solution

The fourth proportional to 669,438.84, 1,004,328.36 and 189,666.12 is: 284,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,438.84 : 1,004,328.36 = 189,666.12 : x
  2. Step 2: Convert to fraction form
    669,438.84/1,004,328.36 = 189,666.12/x
  3. Step 3: Cross multiply
    669,438.84x = 1,004,328.36 × 189,666.12
  4. Step 4: Simplify right side
    669,438.84x = 190,487,063,247.16
  5. Step 5: Solve for x
    x = 190,487,063,247.16/669,438.84
  6. Step 6: Final answer
    x = 284,547.37

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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.