Home / 879,837.36-1,214,171.28-477,429.36

Finding the Fourth Proportional to 879,837.36, 1,214,171.28 and 477,429.36

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Solution

The fourth proportional to 879,837.36, 1,214,171.28 and 477,429.36 is: 658,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,837.36 : 1,214,171.28 = 477,429.36 : x
  2. Step 2: Convert to fraction form
    879,837.36/1,214,171.28 = 477,429.36/x
  3. Step 3: Cross multiply
    879,837.36x = 1,214,171.28 × 477,429.36
  4. Step 4: Simplify right side
    879,837.36x = 579,681,017,140.78
  5. Step 5: Solve for x
    x = 579,681,017,140.78/879,837.36
  6. Step 6: Final answer
    x = 658,850.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.