Home / 905,510.21-1,357,420.82-306,054.32

Finding the Fourth Proportional to 905,510.21, 1,357,420.82 and 306,054.32

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Solution

The fourth proportional to 905,510.21, 1,357,420.82 and 306,054.32 is: 458,796.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,510.21 : 1,357,420.82 = 306,054.32 : x
  2. Step 2: Convert to fraction form
    905,510.21/1,357,420.82 = 306,054.32/x
  3. Step 3: Cross multiply
    905,510.21x = 1,357,420.82 × 306,054.32
  4. Step 4: Simplify right side
    905,510.21x = 415,444,497,701.57
  5. Step 5: Solve for x
    x = 415,444,497,701.57/905,510.21
  6. Step 6: Final answer
    x = 458,796.04

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Double scale
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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.