Home / 828,012.19-1,142,663.13-460,494.47

Finding the Fourth Proportional to 828,012.19, 1,142,663.13 and 460,494.47

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Solution

The fourth proportional to 828,012.19, 1,142,663.13 and 460,494.47 is: 635,485.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,012.19 : 1,142,663.13 = 460,494.47 : x
  2. Step 2: Convert to fraction form
    828,012.19/1,142,663.13 = 460,494.47/x
  3. Step 3: Cross multiply
    828,012.19x = 1,142,663.13 × 460,494.47
  4. Step 4: Simplify right side
    828,012.19x = 526,190,052,437.89
  5. Step 5: Solve for x
    x = 526,190,052,437.89/828,012.19
  6. Step 6: Final answer
    x = 635,485.88

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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.