Home / 876,716.64-1,314,017.10-426,763.44

Finding the Fourth Proportional to 876,716.64, 1,314,017.10 and 426,763.44

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Solution

The fourth proportional to 876,716.64, 1,314,017.10 and 426,763.44 is: 639,630.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,716.64 : 1,314,017.10 = 426,763.44 : x
  2. Step 2: Convert to fraction form
    876,716.64/1,314,017.10 = 426,763.44/x
  3. Step 3: Cross multiply
    876,716.64x = 1,314,017.10 × 426,763.44
  4. Step 4: Simplify right side
    876,716.64x = 560,774,457,814.82
  5. Step 5: Solve for x
    x = 560,774,457,814.82/876,716.64
  6. Step 6: Final answer
    x = 639,630.22

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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.