Home / 822,642.54-1,234,394.10-336,685.40

Finding the Fourth Proportional to 822,642.54, 1,234,394.10 and 336,685.40

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Solution

The fourth proportional to 822,642.54, 1,234,394.10 and 336,685.40 is: 505,204.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,642.54 : 1,234,394.10 = 336,685.40 : x
  2. Step 2: Convert to fraction form
    822,642.54/1,234,394.10 = 336,685.40/x
  3. Step 3: Cross multiply
    822,642.54x = 1,234,394.10 × 336,685.40
  4. Step 4: Simplify right side
    822,642.54x = 415,602,471,316.14
  5. Step 5: Solve for x
    x = 415,602,471,316.14/822,642.54
  6. Step 6: Final answer
    x = 505,204.21

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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.