Home / 915,427.60-1,373,141.40-579,504.40

Finding the Fourth Proportional to 915,427.60, 1,373,141.40 and 579,504.40

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Solution

The fourth proportional to 915,427.60, 1,373,141.40 and 579,504.40 is: 869,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,427.60 : 1,373,141.40 = 579,504.40 : x
  2. Step 2: Convert to fraction form
    915,427.60/1,373,141.40 = 579,504.40/x
  3. Step 3: Cross multiply
    915,427.60x = 1,373,141.40 × 579,504.40
  4. Step 4: Simplify right side
    915,427.60x = 795,741,483,122.16
  5. Step 5: Solve for x
    x = 795,741,483,122.16/915,427.60
  6. Step 6: Final answer
    x = 869,256.60

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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.