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Finding the Fourth Proportional to 594,707.81, 820,323.48 and 352,819.13

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Solution

The fourth proportional to 594,707.81, 820,323.48 and 352,819.13 is: 486,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,707.81 : 820,323.48 = 352,819.13 : x
  2. Step 2: Convert to fraction form
    594,707.81/820,323.48 = 352,819.13/x
  3. Step 3: Cross multiply
    594,707.81x = 820,323.48 × 352,819.13
  4. Step 4: Simplify right side
    594,707.81x = 289,425,813,753.63
  5. Step 5: Solve for x
    x = 289,425,813,753.63/594,707.81
  6. Step 6: Final answer
    x = 486,668.93

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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.