Home / 830,870.55-1,246,693.34-325,300.39

Finding the Fourth Proportional to 830,870.55, 1,246,693.34 and 325,300.39

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Solution

The fourth proportional to 830,870.55, 1,246,693.34 and 325,300.39 is: 488,102.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,870.55 : 1,246,693.34 = 325,300.39 : x
  2. Step 2: Convert to fraction form
    830,870.55/1,246,693.34 = 325,300.39/x
  3. Step 3: Cross multiply
    830,870.55x = 1,246,693.34 × 325,300.39
  4. Step 4: Simplify right side
    830,870.55x = 405,549,827,408.92
  5. Step 5: Solve for x
    x = 405,549,827,408.92/830,870.55
  6. Step 6: Final answer
    x = 488,102.30

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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.