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Finding the Fourth Proportional to 680,462.24, 937,010.96 and 665,358.08

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Solution

The fourth proportional to 680,462.24, 937,010.96 and 665,358.08 is: 916,212.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,462.24 : 937,010.96 = 665,358.08 : x
  2. Step 2: Convert to fraction form
    680,462.24/937,010.96 = 665,358.08/x
  3. Step 3: Cross multiply
    680,462.24x = 937,010.96 × 665,358.08
  4. Step 4: Simplify right side
    680,462.24x = 623,447,813,284.56
  5. Step 5: Solve for x
    x = 623,447,813,284.56/680,462.24
  6. Step 6: Final answer
    x = 916,212.21

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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.