Home / 828,326.48-1,143,084.84-470,630.48

Finding the Fourth Proportional to 828,326.48, 1,143,084.84 and 470,630.48

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Solution

The fourth proportional to 828,326.48, 1,143,084.84 and 470,630.48 is: 649,466.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,326.48 : 1,143,084.84 = 470,630.48 : x
  2. Step 2: Convert to fraction form
    828,326.48/1,143,084.84 = 470,630.48/x
  3. Step 3: Cross multiply
    828,326.48x = 1,143,084.84 × 470,630.48
  4. Step 4: Simplify right side
    828,326.48x = 537,970,566,929.92
  5. Step 5: Solve for x
    x = 537,970,566,929.92/828,326.48
  6. Step 6: Final answer
    x = 649,466.82

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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.