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Finding the Fourth Proportional to 576,066.60, 863,711.10 and 306,239.40

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Solution

The fourth proportional to 576,066.60, 863,711.10 and 306,239.40 is: 459,152.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,066.60 : 863,711.10 = 306,239.40 : x
  2. Step 2: Convert to fraction form
    576,066.60/863,711.10 = 306,239.40/x
  3. Step 3: Cross multiply
    576,066.60x = 863,711.10 × 306,239.40
  4. Step 4: Simplify right side
    576,066.60x = 264,502,369,037.34
  5. Step 5: Solve for x
    x = 264,502,369,037.34/576,066.60
  6. Step 6: Final answer
    x = 459,152.41

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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.