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Finding the Fourth Proportional to 1,008.92, 1,392.54 and 595.16

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Solution

The fourth proportional to 1,008.92, 1,392.54 and 595.16 is: 821.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008.92 : 1,392.54 = 595.16 : x
  2. Step 2: Convert to fraction form
    1,008.92/1,392.54 = 595.16/x
  3. Step 3: Cross multiply
    1,008.92x = 1,392.54 × 595.16
  4. Step 4: Simplify right side
    1,008.92x = 828,784.11
  5. Step 5: Solve for x
    x = 828,784.11/1,008.92
  6. Step 6: Final answer
    x = 821.46

Related Problems

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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.