Home / 876,647.20-1,314,063.60-476,442.40

Finding the Fourth Proportional to 876,647.20, 1,314,063.60 and 476,442.40

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Solution

The fourth proportional to 876,647.20, 1,314,063.60 and 476,442.40 is: 714,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,647.20 : 1,314,063.60 = 476,442.40 : x
  2. Step 2: Convert to fraction form
    876,647.20/1,314,063.60 = 476,442.40/x
  3. Step 3: Cross multiply
    876,647.20x = 1,314,063.60 × 476,442.40
  4. Step 4: Simplify right side
    876,647.20x = 626,075,615,336.64
  5. Step 5: Solve for x
    x = 626,075,615,336.64/876,647.20
  6. Step 6: Final answer
    x = 714,170.55

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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.