Home / 677,487.63-1,016,625.01-303,510.63

Finding the Fourth Proportional to 677,487.63, 1,016,625.01 and 303,510.63

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Solution

The fourth proportional to 677,487.63, 1,016,625.01 and 303,510.63 is: 455,442.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,487.63 : 1,016,625.01 = 303,510.63 : x
  2. Step 2: Convert to fraction form
    677,487.63/1,016,625.01 = 303,510.63/x
  3. Step 3: Cross multiply
    677,487.63x = 1,016,625.01 × 303,510.63
  4. Step 4: Simplify right side
    677,487.63x = 308,556,497,258.86
  5. Step 5: Solve for x
    x = 308,556,497,258.86/677,487.63
  6. Step 6: Final answer
    x = 455,442.26

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Double scale
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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.