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Finding the Fourth Proportional to 607,352.48, 838,146.41 and 352,720.07

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Solution

The fourth proportional to 607,352.48, 838,146.41 and 352,720.07 is: 486,753.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,352.48 : 838,146.41 = 352,720.07 : x
  2. Step 2: Convert to fraction form
    607,352.48/838,146.41 = 352,720.07/x
  3. Step 3: Cross multiply
    607,352.48x = 838,146.41 × 352,720.07
  4. Step 4: Simplify right side
    607,352.48x = 295,631,054,451.12
  5. Step 5: Solve for x
    x = 295,631,054,451.12/607,352.48
  6. Step 6: Final answer
    x = 486,753.68

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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.