Home / 705,840.10-1,058,760.15-425,904.10

Finding the Fourth Proportional to 705,840.10, 1,058,760.15 and 425,904.10

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Solution

The fourth proportional to 705,840.10, 1,058,760.15 and 425,904.10 is: 638,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,840.10 : 1,058,760.15 = 425,904.10 : x
  2. Step 2: Convert to fraction form
    705,840.10/1,058,760.15 = 425,904.10/x
  3. Step 3: Cross multiply
    705,840.10x = 1,058,760.15 × 425,904.10
  4. Step 4: Simplify right side
    705,840.10x = 450,930,288,801.62
  5. Step 5: Solve for x
    x = 450,930,288,801.62/705,840.10
  6. Step 6: Final answer
    x = 638,856.15

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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.