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Finding the Fourth Proportional to 347,482.41, 480,440.71 and 304,338.19

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Solution

The fourth proportional to 347,482.41, 480,440.71 and 304,338.19 is: 420,788.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,482.41 : 480,440.71 = 304,338.19 : x
  2. Step 2: Convert to fraction form
    347,482.41/480,440.71 = 304,338.19/x
  3. Step 3: Cross multiply
    347,482.41x = 480,440.71 × 304,338.19
  4. Step 4: Simplify right side
    347,482.41x = 146,216,456,083.72
  5. Step 5: Solve for x
    x = 146,216,456,083.72/347,482.41
  6. Step 6: Final answer
    x = 420,788.08

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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.