Home / 677,130.32-1,016,135.69-293,254.19

Finding the Fourth Proportional to 677,130.32, 1,016,135.69 and 293,254.19

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Solution

The fourth proportional to 677,130.32, 1,016,135.69 and 293,254.19 is: 440,071.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,130.32 : 1,016,135.69 = 293,254.19 : x
  2. Step 2: Convert to fraction form
    677,130.32/1,016,135.69 = 293,254.19/x
  3. Step 3: Cross multiply
    677,130.32x = 1,016,135.69 × 293,254.19
  4. Step 4: Simplify right side
    677,130.32x = 297,986,045,964.60
  5. Step 5: Solve for x
    x = 297,986,045,964.60/677,130.32
  6. Step 6: Final answer
    x = 440,071.93

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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.