Home / 669,802.72-1,004,702.64-171,165.28

Finding the Fourth Proportional to 669,802.72, 1,004,702.64 and 171,165.28

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Solution

The fourth proportional to 669,802.72, 1,004,702.64 and 171,165.28 is: 256,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,802.72 : 1,004,702.64 = 171,165.28 : x
  2. Step 2: Convert to fraction form
    669,802.72/1,004,702.64 = 171,165.28/x
  3. Step 3: Cross multiply
    669,802.72x = 1,004,702.64 × 171,165.28
  4. Step 4: Simplify right side
    669,802.72x = 171,970,208,692.34
  5. Step 5: Solve for x
    x = 171,970,208,692.34/669,802.72
  6. Step 6: Final answer
    x = 256,747.55

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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.