Home / 876,155.40-1,314,276.30-456,251.40

Finding the Fourth Proportional to 876,155.40, 1,314,276.30 and 456,251.40

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Solution

The fourth proportional to 876,155.40, 1,314,276.30 and 456,251.40 is: 684,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,155.40 : 1,314,276.30 = 456,251.40 : x
  2. Step 2: Convert to fraction form
    876,155.40/1,314,276.30 = 456,251.40/x
  3. Step 3: Cross multiply
    876,155.40x = 1,314,276.30 × 456,251.40
  4. Step 4: Simplify right side
    876,155.40x = 599,640,401,861.82
  5. Step 5: Solve for x
    x = 599,640,401,861.82/876,155.40
  6. Step 6: Final answer
    x = 684,399.60

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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.