Home / 847,028.54-1,168,746.90-479,503.20

Finding the Fourth Proportional to 847,028.54, 1,168,746.90 and 479,503.20

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Solution

The fourth proportional to 847,028.54, 1,168,746.90 and 479,503.20 is: 661,628.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,028.54 : 1,168,746.90 = 479,503.20 : x
  2. Step 2: Convert to fraction form
    847,028.54/1,168,746.90 = 479,503.20/x
  3. Step 3: Cross multiply
    847,028.54x = 1,168,746.90 × 479,503.20
  4. Step 4: Simplify right side
    847,028.54x = 560,417,878,540.08
  5. Step 5: Solve for x
    x = 560,417,878,540.08/847,028.54
  6. Step 6: Final answer
    x = 661,628.09

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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.