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Finding the Fourth Proportional to 607,454.84, 838,296.54 and 352,806.03

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Solution

The fourth proportional to 607,454.84, 838,296.54 and 352,806.03 is: 486,877.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,454.84 : 838,296.54 = 352,806.03 : x
  2. Step 2: Convert to fraction form
    607,454.84/838,296.54 = 352,806.03/x
  3. Step 3: Cross multiply
    607,454.84x = 838,296.54 × 352,806.03
  4. Step 4: Simplify right side
    607,454.84x = 295,756,074,240.14
  5. Step 5: Solve for x
    x = 295,756,074,240.14/607,454.84
  6. Step 6: Final answer
    x = 486,877.47

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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.