Home / 972,029.80-1,458,044.70-298,215.10

Finding the Fourth Proportional to 972,029.80, 1,458,044.70 and 298,215.10

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Solution

The fourth proportional to 972,029.80, 1,458,044.70 and 298,215.10 is: 447,322.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,029.80 : 1,458,044.70 = 298,215.10 : x
  2. Step 2: Convert to fraction form
    972,029.80/1,458,044.70 = 298,215.10/x
  3. Step 3: Cross multiply
    972,029.80x = 1,458,044.70 × 298,215.10
  4. Step 4: Simplify right side
    972,029.80x = 434,810,946,014.97
  5. Step 5: Solve for x
    x = 434,810,946,014.97/972,029.80
  6. Step 6: Final answer
    x = 447,322.65

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Double scale
Find fourth proportional to 972,030.80, 1,458,046.20 and 298,216.10
Similar ratio
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1.5x scale

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.