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Finding the Fourth Proportional to 690,725.26, 952,835.97 and 475,492.87

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Solution

The fourth proportional to 690,725.26, 952,835.97 and 475,492.87 is: 655,928.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,725.26 : 952,835.97 = 475,492.87 : x
  2. Step 2: Convert to fraction form
    690,725.26/952,835.97 = 475,492.87/x
  3. Step 3: Cross multiply
    690,725.26x = 952,835.97 × 475,492.87
  4. Step 4: Simplify right side
    690,725.26x = 453,066,710,014.53
  5. Step 5: Solve for x
    x = 453,066,710,014.53/690,725.26
  6. Step 6: Final answer
    x = 655,928.97

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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.