Home / 880,832.40-1,321,291.80-460,928.40

Finding the Fourth Proportional to 880,832.40, 1,321,291.80 and 460,928.40

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Solution

The fourth proportional to 880,832.40, 1,321,291.80 and 460,928.40 is: 691,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,832.40 : 1,321,291.80 = 460,928.40 : x
  2. Step 2: Convert to fraction form
    880,832.40/1,321,291.80 = 460,928.40/x
  3. Step 3: Cross multiply
    880,832.40x = 1,321,291.80 × 460,928.40
  4. Step 4: Simplify right side
    880,832.40x = 609,020,915,307.12
  5. Step 5: Solve for x
    x = 609,020,915,307.12/880,832.40
  6. Step 6: Final answer
    x = 691,415.21

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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.