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Finding the Fourth Proportional to 652,694.75, 900,422.08 and 423,309.89

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Solution

The fourth proportional to 652,694.75, 900,422.08 and 423,309.89 is: 583,975.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,694.75 : 900,422.08 = 423,309.89 : x
  2. Step 2: Convert to fraction form
    652,694.75/900,422.08 = 423,309.89/x
  3. Step 3: Cross multiply
    652,694.75x = 900,422.08 × 423,309.89
  4. Step 4: Simplify right side
    652,694.75x = 381,157,571,638.37
  5. Step 5: Solve for x
    x = 381,157,571,638.37/652,694.75
  6. Step 6: Final answer
    x = 583,975.24

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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.