Home / 950,341.28-1,311,503.76-520,621.29

Finding the Fourth Proportional to 950,341.28, 1,311,503.76 and 520,621.29

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Solution

The fourth proportional to 950,341.28, 1,311,503.76 and 520,621.29 is: 718,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,341.28 : 1,311,503.76 = 520,621.29 : x
  2. Step 2: Convert to fraction form
    950,341.28/1,311,503.76 = 520,621.29/x
  3. Step 3: Cross multiply
    950,341.28x = 1,311,503.76 × 520,621.29
  4. Step 4: Simplify right side
    950,341.28x = 682,796,779,371.05
  5. Step 5: Solve for x
    x = 682,796,779,371.05/950,341.28
  6. Step 6: Final answer
    x = 718,475.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.