Home / 879,488.40-1,319,232.60-830,499.60

Finding the Fourth Proportional to 879,488.40, 1,319,232.60 and 830,499.60

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Solution

The fourth proportional to 879,488.40, 1,319,232.60 and 830,499.60 is: 1,245,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,488.40 : 1,319,232.60 = 830,499.60 : x
  2. Step 2: Convert to fraction form
    879,488.40/1,319,232.60 = 830,499.60/x
  3. Step 3: Cross multiply
    879,488.40x = 1,319,232.60 × 830,499.60
  4. Step 4: Simplify right side
    879,488.40x = 1,095,622,146,606.96
  5. Step 5: Solve for x
    x = 1,095,622,146,606.96/879,488.40
  6. Step 6: Final answer
    x = 1,245,749.40

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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.