Home / 319,461.36-479,204.18-82,804.74

Finding the Fourth Proportional to 319,461.36, 479,204.18 and 82,804.74

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Solution

The fourth proportional to 319,461.36, 479,204.18 and 82,804.74 is: 124,210.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,461.36 : 479,204.18 = 82,804.74 : x
  2. Step 2: Convert to fraction form
    319,461.36/479,204.18 = 82,804.74/x
  3. Step 3: Cross multiply
    319,461.36x = 479,204.18 × 82,804.74
  4. Step 4: Simplify right side
    319,461.36x = 39,680,377,531.81
  5. Step 5: Solve for x
    x = 39,680,377,531.81/319,461.36
  6. Step 6: Final answer
    x = 124,210.26

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1.5x scale

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.