Home / 876,135.40-1,313,684.70-456,231.40

Finding the Fourth Proportional to 876,135.40, 1,313,684.70 and 456,231.40

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Solution

The fourth proportional to 876,135.40, 1,313,684.70 and 456,231.40 is: 684,077.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,135.40 : 1,313,684.70 = 456,231.40 : x
  2. Step 2: Convert to fraction form
    876,135.40/1,313,684.70 = 456,231.40/x
  3. Step 3: Cross multiply
    876,135.40x = 1,313,684.70 × 456,231.40
  4. Step 4: Simplify right side
    876,135.40x = 599,344,209,839.58
  5. Step 5: Solve for x
    x = 599,344,209,839.58/876,135.40
  6. Step 6: Final answer
    x = 684,077.15

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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.