Home / 899,238.12-1,349,521.82-425,924.20

Finding the Fourth Proportional to 899,238.12, 1,349,521.82 and 425,924.20

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Solution

The fourth proportional to 899,238.12, 1,349,521.82 and 425,924.20 is: 639,201.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,238.12 : 1,349,521.82 = 425,924.20 : x
  2. Step 2: Convert to fraction form
    899,238.12/1,349,521.82 = 425,924.20/x
  3. Step 3: Cross multiply
    899,238.12x = 1,349,521.82 × 425,924.20
  4. Step 4: Simplify right side
    899,238.12x = 574,794,001,566.04
  5. Step 5: Solve for x
    x = 574,794,001,566.04/899,238.12
  6. Step 6: Final answer
    x = 639,201.11

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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.