Home / 802,526.40-1,203,439.63-303,540.48

Finding the Fourth Proportional to 802,526.40, 1,203,439.63 and 303,540.48

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Solution

The fourth proportional to 802,526.40, 1,203,439.63 and 303,540.48 is: 455,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,526.40 : 1,203,439.63 = 303,540.48 : x
  2. Step 2: Convert to fraction form
    802,526.40/1,203,439.63 = 303,540.48/x
  3. Step 3: Cross multiply
    802,526.40x = 1,203,439.63 × 303,540.48
  4. Step 4: Simplify right side
    802,526.40x = 365,292,642,941.22
  5. Step 5: Solve for x
    x = 365,292,642,941.22/802,526.40
  6. Step 6: Final answer
    x = 455,178.35

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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.