Home / 775,532.79-1,070,235.24-453,513.43

Finding the Fourth Proportional to 775,532.79, 1,070,235.24 and 453,513.43

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Solution

The fourth proportional to 775,532.79, 1,070,235.24 and 453,513.43 is: 625,848.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,532.79 : 1,070,235.24 = 453,513.43 : x
  2. Step 2: Convert to fraction form
    775,532.79/1,070,235.24 = 453,513.43/x
  3. Step 3: Cross multiply
    775,532.79x = 1,070,235.24 × 453,513.43
  4. Step 4: Simplify right side
    775,532.79x = 485,366,054,599.27
  5. Step 5: Solve for x
    x = 485,366,054,599.27/775,532.79
  6. Step 6: Final answer
    x = 625,848.53

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Double scale
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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.