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Finding the Fourth Proportional to 607,619.31, 910,573.29 and 464,912.07

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Solution

The fourth proportional to 607,619.31, 910,573.29 and 464,912.07 is: 696,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,619.31 : 910,573.29 = 464,912.07 : x
  2. Step 2: Convert to fraction form
    607,619.31/910,573.29 = 464,912.07/x
  3. Step 3: Cross multiply
    607,619.31x = 910,573.29 × 464,912.07
  4. Step 4: Simplify right side
    607,619.31x = 423,336,513,140.61
  5. Step 5: Solve for x
    x = 423,336,513,140.61/607,619.31
  6. Step 6: Final answer
    x = 696,713.40

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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.