Home / 989,068.38-1,483,721.57-349,240.47

Finding the Fourth Proportional to 989,068.38, 1,483,721.57 and 349,240.47

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Solution

The fourth proportional to 989,068.38, 1,483,721.57 and 349,240.47 is: 523,902.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,068.38 : 1,483,721.57 = 349,240.47 : x
  2. Step 2: Convert to fraction form
    989,068.38/1,483,721.57 = 349,240.47/x
  3. Step 3: Cross multiply
    989,068.38x = 1,483,721.57 × 349,240.47
  4. Step 4: Simplify right side
    989,068.38x = 518,175,618,455.94
  5. Step 5: Solve for x
    x = 518,175,618,455.94/989,068.38
  6. Step 6: Final answer
    x = 523,902.72

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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.