Home / 882,261.60-1,323,392.40-321,314.40

Finding the Fourth Proportional to 882,261.60, 1,323,392.40 and 321,314.40

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Solution

The fourth proportional to 882,261.60, 1,323,392.40 and 321,314.40 is: 481,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,261.60 : 1,323,392.40 = 321,314.40 : x
  2. Step 2: Convert to fraction form
    882,261.60/1,323,392.40 = 321,314.40/x
  3. Step 3: Cross multiply
    882,261.60x = 1,323,392.40 × 321,314.40
  4. Step 4: Simplify right side
    882,261.60x = 425,225,034,970.56
  5. Step 5: Solve for x
    x = 425,225,034,970.56/882,261.60
  6. Step 6: Final answer
    x = 481,971.60

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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.