Home / 875,359.85-1,313,629.86-306,746.05

Finding the Fourth Proportional to 875,359.85, 1,313,629.86 and 306,746.05

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Solution

The fourth proportional to 875,359.85, 1,313,629.86 and 306,746.05 is: 460,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,359.85 : 1,313,629.86 = 306,746.05 : x
  2. Step 2: Convert to fraction form
    875,359.85/1,313,629.86 = 306,746.05/x
  3. Step 3: Cross multiply
    875,359.85x = 1,313,629.86 × 306,746.05
  4. Step 4: Simplify right side
    875,359.85x = 402,950,769,183.32
  5. Step 5: Solve for x
    x = 402,950,769,183.32/875,359.85
  6. Step 6: Final answer
    x = 460,325.86

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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.