Home / 629,307.02-868,435.74-342,820.94

Finding the Fourth Proportional to 629,307.02, 868,435.74 and 342,820.94

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Solution

The fourth proportional to 629,307.02, 868,435.74 and 342,820.94 is: 473,088.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,307.02 : 868,435.74 = 342,820.94 : x
  2. Step 2: Convert to fraction form
    629,307.02/868,435.74 = 342,820.94/x
  3. Step 3: Cross multiply
    629,307.02x = 868,435.74 × 342,820.94
  4. Step 4: Simplify right side
    629,307.02x = 297,717,956,716.40
  5. Step 5: Solve for x
    x = 297,717,956,716.40/629,307.02
  6. Step 6: Final answer
    x = 473,088.57

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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.