Home / 899,208.98-1,349,477.78-425,894.34

Finding the Fourth Proportional to 899,208.98, 1,349,477.78 and 425,894.34

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Solution

The fourth proportional to 899,208.98, 1,349,477.78 and 425,894.34 is: 639,156.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,208.98 : 1,349,477.78 = 425,894.34 : x
  2. Step 2: Convert to fraction form
    899,208.98/1,349,477.78 = 425,894.34/x
  3. Step 3: Cross multiply
    899,208.98x = 1,349,477.78 × 425,894.34
  4. Step 4: Simplify right side
    899,208.98x = 574,734,953,784.49
  5. Step 5: Solve for x
    x = 574,734,953,784.49/899,208.98
  6. Step 6: Final answer
    x = 639,156.15

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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.