Home / 674,768.19-931,180.14-368,845.79

Finding the Fourth Proportional to 674,768.19, 931,180.14 and 368,845.79

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Solution

The fourth proportional to 674,768.19, 931,180.14 and 368,845.79 is: 509,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,768.19 : 931,180.14 = 368,845.79 : x
  2. Step 2: Convert to fraction form
    674,768.19/931,180.14 = 368,845.79/x
  3. Step 3: Cross multiply
    674,768.19x = 931,180.14 × 368,845.79
  4. Step 4: Simplify right side
    674,768.19x = 343,461,869,714.71
  5. Step 5: Solve for x
    x = 343,461,869,714.71/674,768.19
  6. Step 6: Final answer
    x = 509,007.20

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Double scale
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1.5x scale

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.