Home / 775,854.30-1,071,351.72-572,258.10

Finding the Fourth Proportional to 775,854.30, 1,071,351.72 and 572,258.10

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Solution

The fourth proportional to 775,854.30, 1,071,351.72 and 572,258.10 is: 790,212.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,854.30 : 1,071,351.72 = 572,258.10 : x
  2. Step 2: Convert to fraction form
    775,854.30/1,071,351.72 = 572,258.10/x
  3. Step 3: Cross multiply
    775,854.30x = 1,071,351.72 × 572,258.10
  4. Step 4: Simplify right side
    775,854.30x = 613,089,699,718.93
  5. Step 5: Solve for x
    x = 613,089,699,718.93/775,854.30
  6. Step 6: Final answer
    x = 790,212.41

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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.