Home / 902,001.08-1,353,446.22-422,261.40

Finding the Fourth Proportional to 902,001.08, 1,353,446.22 and 422,261.40

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Solution

The fourth proportional to 902,001.08, 1,353,446.22 and 422,261.40 is: 633,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,001.08 : 1,353,446.22 = 422,261.40 : x
  2. Step 2: Convert to fraction form
    902,001.08/1,353,446.22 = 422,261.40/x
  3. Step 3: Cross multiply
    902,001.08x = 1,353,446.22 × 422,261.40
  4. Step 4: Simplify right side
    902,001.08x = 571,508,095,681.91
  5. Step 5: Solve for x
    x = 571,508,095,681.91/902,001.08
  6. Step 6: Final answer
    x = 633,600.23

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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.