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Finding the Fourth Proportional to 592,632.82, 817,827.06 and 320,694.76

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Solution

The fourth proportional to 592,632.82, 817,827.06 and 320,694.76 is: 442,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,632.82 : 817,827.06 = 320,694.76 : x
  2. Step 2: Convert to fraction form
    592,632.82/817,827.06 = 320,694.76/x
  3. Step 3: Cross multiply
    592,632.82x = 817,827.06 × 320,694.76
  4. Step 4: Simplify right side
    592,632.82x = 262,272,852,728.21
  5. Step 5: Solve for x
    x = 262,272,852,728.21/592,632.82
  6. Step 6: Final answer
    x = 442,555.40

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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.