Home / 879,412.01-1,318,229.91-423,333.43

Finding the Fourth Proportional to 879,412.01, 1,318,229.91 and 423,333.43

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Solution

The fourth proportional to 879,412.01, 1,318,229.91 and 423,333.43 is: 634,572.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,412.01 : 1,318,229.91 = 423,333.43 : x
  2. Step 2: Convert to fraction form
    879,412.01/1,318,229.91 = 423,333.43/x
  3. Step 3: Cross multiply
    879,412.01x = 1,318,229.91 × 423,333.43
  4. Step 4: Simplify right side
    879,412.01x = 558,050,786,033.32
  5. Step 5: Solve for x
    x = 558,050,786,033.32/879,412.01
  6. Step 6: Final answer
    x = 634,572.63

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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.