Home / 950,289.60-1,311,400.08-520,585.28

Finding the Fourth Proportional to 950,289.60, 1,311,400.08 and 520,585.28

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Solution

The fourth proportional to 950,289.60, 1,311,400.08 and 520,585.28 is: 718,407.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,289.60 : 1,311,400.08 = 520,585.28 : x
  2. Step 2: Convert to fraction form
    950,289.60/1,311,400.08 = 520,585.28/x
  3. Step 3: Cross multiply
    950,289.60x = 1,311,400.08 × 520,585.28
  4. Step 4: Simplify right side
    950,289.60x = 682,695,577,838.82
  5. Step 5: Solve for x
    x = 682,695,577,838.82/950,289.60
  6. Step 6: Final answer
    x = 718,407.92

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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.