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Finding the Fourth Proportional to 542,093.40, 812,598.78 and 362,330.22

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Solution

The fourth proportional to 542,093.40, 812,598.78 and 362,330.22 is: 543,133.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,093.40 : 812,598.78 = 362,330.22 : x
  2. Step 2: Convert to fraction form
    542,093.40/812,598.78 = 362,330.22/x
  3. Step 3: Cross multiply
    542,093.40x = 812,598.78 × 362,330.22
  4. Step 4: Simplify right side
    542,093.40x = 294,429,094,729.13
  5. Step 5: Solve for x
    x = 294,429,094,729.13/542,093.40
  6. Step 6: Final answer
    x = 543,133.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.