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Finding the Fourth Proportional to 594,802.76, 820,805.55 and 322,864.80

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Solution

The fourth proportional to 594,802.76, 820,805.55 and 322,864.80 is: 445,541.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,802.76 : 820,805.55 = 322,864.80 : x
  2. Step 2: Convert to fraction form
    594,802.76/820,805.55 = 322,864.80/x
  3. Step 3: Cross multiply
    594,802.76x = 820,805.55 × 322,864.80
  4. Step 4: Simplify right side
    594,802.76x = 265,009,219,739.64
  5. Step 5: Solve for x
    x = 265,009,219,739.64/594,802.76
  6. Step 6: Final answer
    x = 445,541.34

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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.