Home / 903,458.07-1,353,380.20-543,430.08

Finding the Fourth Proportional to 903,458.07, 1,353,380.20 and 543,430.08

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Solution

The fourth proportional to 903,458.07, 1,353,380.20 and 543,430.08 is: 814,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,458.07 : 1,353,380.20 = 543,430.08 : x
  2. Step 2: Convert to fraction form
    903,458.07/1,353,380.20 = 543,430.08/x
  3. Step 3: Cross multiply
    903,458.07x = 1,353,380.20 × 543,430.08
  4. Step 4: Simplify right side
    903,458.07x = 735,467,508,997.84
  5. Step 5: Solve for x
    x = 735,467,508,997.84/903,458.07
  6. Step 6: Final answer
    x = 814,058.27

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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.