Home / 903,448.46-1,353,365.92-543,420.47

Finding the Fourth Proportional to 903,448.46, 1,353,365.92 and 543,420.47

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Solution

The fourth proportional to 903,448.46, 1,353,365.92 and 543,420.47 is: 814,043.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,448.46 : 1,353,365.92 = 543,420.47 : x
  2. Step 2: Convert to fraction form
    903,448.46/1,353,365.92 = 543,420.47/x
  3. Step 3: Cross multiply
    903,448.46x = 1,353,365.92 × 543,420.47
  4. Step 4: Simplify right side
    903,448.46x = 735,446,744,328.38
  5. Step 5: Solve for x
    x = 735,446,744,328.38/903,448.46
  6. Step 6: Final answer
    x = 814,043.94

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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.