Home / 648,146.16-894,629.44-376,275.12

Finding the Fourth Proportional to 648,146.16, 894,629.44 and 376,275.12

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Solution

The fourth proportional to 648,146.16, 894,629.44 and 376,275.12 is: 519,368.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,146.16 : 894,629.44 = 376,275.12 : x
  2. Step 2: Convert to fraction form
    648,146.16/894,629.44 = 376,275.12/x
  3. Step 3: Cross multiply
    648,146.16x = 894,629.44 × 376,275.12
  4. Step 4: Simplify right side
    648,146.16x = 336,626,799,891.53
  5. Step 5: Solve for x
    x = 336,626,799,891.53/648,146.16
  6. Step 6: Final answer
    x = 519,368.66

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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.