Home / 627,482.78-865,931.74-341,002.86

Finding the Fourth Proportional to 627,482.78, 865,931.74 and 341,002.86

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Solution

The fourth proportional to 627,482.78, 865,931.74 and 341,002.86 is: 470,586.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,482.78 : 865,931.74 = 341,002.86 : x
  2. Step 2: Convert to fraction form
    627,482.78/865,931.74 = 341,002.86/x
  3. Step 3: Cross multiply
    627,482.78x = 865,931.74 × 341,002.86
  4. Step 4: Simplify right side
    627,482.78x = 295,285,199,904.78
  5. Step 5: Solve for x
    x = 295,285,199,904.78/627,482.78
  6. Step 6: Final answer
    x = 470,586.94

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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.