Home / 756,032.80-1,043,313.60-416,513.20

Finding the Fourth Proportional to 756,032.80, 1,043,313.60 and 416,513.20

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Solution

The fourth proportional to 756,032.80, 1,043,313.60 and 416,513.20 is: 574,781.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,032.80 : 1,043,313.60 = 416,513.20 : x
  2. Step 2: Convert to fraction form
    756,032.80/1,043,313.60 = 416,513.20/x
  3. Step 3: Cross multiply
    756,032.80x = 1,043,313.60 × 416,513.20
  4. Step 4: Simplify right side
    756,032.80x = 434,553,886,139.52
  5. Step 5: Solve for x
    x = 434,553,886,139.52/756,032.80
  6. Step 6: Final answer
    x = 574,781.79

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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.