Home / 802,530.40-1,203,445.63-303,544.48

Finding the Fourth Proportional to 802,530.40, 1,203,445.63 and 303,544.48

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Solution

The fourth proportional to 802,530.40, 1,203,445.63 and 303,544.48 is: 455,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,530.40 : 1,203,445.63 = 303,544.48 : x
  2. Step 2: Convert to fraction form
    802,530.40/1,203,445.63 = 303,544.48/x
  3. Step 3: Cross multiply
    802,530.40x = 1,203,445.63 × 303,544.48
  4. Step 4: Simplify right side
    802,530.40x = 365,299,277,966.62
  5. Step 5: Solve for x
    x = 365,299,277,966.62/802,530.40
  6. Step 6: Final answer
    x = 455,184.35

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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.