Home / 878,416.40-1,314,708.60-637,846.40

Finding the Fourth Proportional to 878,416.40, 1,314,708.60 and 637,846.40

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Solution

The fourth proportional to 878,416.40, 1,314,708.60 and 637,846.40 is: 954,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,416.40 : 1,314,708.60 = 637,846.40 : x
  2. Step 2: Convert to fraction form
    878,416.40/1,314,708.60 = 637,846.40/x
  3. Step 3: Cross multiply
    878,416.40x = 1,314,708.60 × 637,846.40
  4. Step 4: Simplify right side
    878,416.40x = 838,582,147,559.04
  5. Step 5: Solve for x
    x = 838,582,147,559.04/878,416.40
  6. Step 6: Final answer
    x = 954,652.20

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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.