Home / 712,670.19-1,069,160.94-239,343.18

Finding the Fourth Proportional to 712,670.19, 1,069,160.94 and 239,343.18

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Solution

The fourth proportional to 712,670.19, 1,069,160.94 and 239,343.18 is: 359,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,670.19 : 1,069,160.94 = 239,343.18 : x
  2. Step 2: Convert to fraction form
    712,670.19/1,069,160.94 = 239,343.18/x
  3. Step 3: Cross multiply
    712,670.19x = 1,069,160.94 × 239,343.18
  4. Step 4: Simplify right side
    712,670.19x = 255,896,379,311.39
  5. Step 5: Solve for x
    x = 255,896,379,311.39/712,670.19
  6. Step 6: Final answer
    x = 359,067.05

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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.