Home / 705,904.40-1,058,467.80-284,704.40

Finding the Fourth Proportional to 705,904.40, 1,058,467.80 and 284,704.40

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Solution

The fourth proportional to 705,904.40, 1,058,467.80 and 284,704.40 is: 426,899.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,904.40 : 1,058,467.80 = 284,704.40 : x
  2. Step 2: Convert to fraction form
    705,904.40/1,058,467.80 = 284,704.40/x
  3. Step 3: Cross multiply
    705,904.40x = 1,058,467.80 × 284,704.40
  4. Step 4: Simplify right side
    705,904.40x = 301,350,439,918.32
  5. Step 5: Solve for x
    x = 301,350,439,918.32/705,904.40
  6. Step 6: Final answer
    x = 426,899.79

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1.5x scale

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.