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Finding the Fourth Proportional to 594,367.63, 820,012.08 and 390,528.34

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Solution

The fourth proportional to 594,367.63, 820,012.08 and 390,528.34 is: 538,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,367.63 : 820,012.08 = 390,528.34 : x
  2. Step 2: Convert to fraction form
    594,367.63/820,012.08 = 390,528.34/x
  3. Step 3: Cross multiply
    594,367.63x = 820,012.08 × 390,528.34
  4. Step 4: Simplify right side
    594,367.63x = 320,237,956,382.35
  5. Step 5: Solve for x
    x = 320,237,956,382.35/594,367.63
  6. Step 6: Final answer
    x = 538,787.68

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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.