Home / 828,138.96-1,142,802.24-460,614.18

Finding the Fourth Proportional to 828,138.96, 1,142,802.24 and 460,614.18

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Solution

The fourth proportional to 828,138.96, 1,142,802.24 and 460,614.18 is: 635,631.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,138.96 : 1,142,802.24 = 460,614.18 : x
  2. Step 2: Convert to fraction form
    828,138.96/1,142,802.24 = 460,614.18/x
  3. Step 3: Cross multiply
    828,138.96x = 1,142,802.24 × 460,614.18
  4. Step 4: Simplify right side
    828,138.96x = 526,390,916,679.76
  5. Step 5: Solve for x
    x = 526,390,916,679.76/828,138.96
  6. Step 6: Final answer
    x = 635,631.15

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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.