Home / 985,599.36-1,477,763.40-386,621.04

Finding the Fourth Proportional to 985,599.36, 1,477,763.40 and 386,621.04

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Solution

The fourth proportional to 985,599.36, 1,477,763.40 and 386,621.04 is: 579,682.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,599.36 : 1,477,763.40 = 386,621.04 : x
  2. Step 2: Convert to fraction form
    985,599.36/1,477,763.40 = 386,621.04/x
  3. Step 3: Cross multiply
    985,599.36x = 1,477,763.40 × 386,621.04
  4. Step 4: Simplify right side
    985,599.36x = 571,334,422,581.94
  5. Step 5: Solve for x
    x = 571,334,422,581.94/985,599.36
  6. Step 6: Final answer
    x = 579,682.22

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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.