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Finding the Fourth Proportional to 694,580.96, 960,275.54 and 513,005.28

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Solution

The fourth proportional to 694,580.96, 960,275.54 and 513,005.28 is: 709,242.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,580.96 : 960,275.54 = 513,005.28 : x
  2. Step 2: Convert to fraction form
    694,580.96/960,275.54 = 513,005.28/x
  3. Step 3: Cross multiply
    694,580.96x = 960,275.54 × 513,005.28
  4. Step 4: Simplify right side
    694,580.96x = 492,626,422,274.85
  5. Step 5: Solve for x
    x = 492,626,422,274.85/694,580.96
  6. Step 6: Final answer
    x = 709,242.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.