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Finding the Fourth Proportional to 473,373.15, 653,263.38 and 289,642.37

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Solution

The fourth proportional to 473,373.15, 653,263.38 and 289,642.37 is: 399,711.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,373.15 : 653,263.38 = 289,642.37 : x
  2. Step 2: Convert to fraction form
    473,373.15/653,263.38 = 289,642.37/x
  3. Step 3: Cross multiply
    473,373.15x = 653,263.38 × 289,642.37
  4. Step 4: Simplify right side
    473,373.15x = 189,212,750,351.09
  5. Step 5: Solve for x
    x = 189,212,750,351.09/473,373.15
  6. Step 6: Final answer
    x = 399,711.63

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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.