Home / 1,020,439.73-1,530,881.03-310,449.32

Finding the Fourth Proportional to 1,020,439.73, 1,530,881.03 and 310,449.32

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Solution

The fourth proportional to 1,020,439.73, 1,530,881.03 and 310,449.32 is: 465,741.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,439.73 : 1,530,881.03 = 310,449.32 : x
  2. Step 2: Convert to fraction form
    1,020,439.73/1,530,881.03 = 310,449.32/x
  3. Step 3: Cross multiply
    1,020,439.73x = 1,530,881.03 × 310,449.32
  4. Step 4: Simplify right side
    1,020,439.73x = 475,260,967,109.99
  5. Step 5: Solve for x
    x = 475,260,967,109.99/1,020,439.73
  6. Step 6: Final answer
    x = 465,741.34

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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.