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Finding the Fourth Proportional to 662,021.04, 913,586.52 and 375,596.40

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Solution

The fourth proportional to 662,021.04, 913,586.52 and 375,596.40 is: 518,321.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,021.04 : 913,586.52 = 375,596.40 : x
  2. Step 2: Convert to fraction form
    662,021.04/913,586.52 = 375,596.40/x
  3. Step 3: Cross multiply
    662,021.04x = 913,586.52 × 375,596.40
  4. Step 4: Simplify right side
    662,021.04x = 343,139,808,000.53
  5. Step 5: Solve for x
    x = 343,139,808,000.53/662,021.04
  6. Step 6: Final answer
    x = 518,321.61

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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.