Home / 879,887.22-1,214,244.35-477,479.22

Finding the Fourth Proportional to 879,887.22, 1,214,244.35 and 477,479.22

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Solution

The fourth proportional to 879,887.22, 1,214,244.35 and 477,479.22 is: 658,921.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,887.22 : 1,214,244.35 = 477,479.22 : x
  2. Step 2: Convert to fraction form
    879,887.22/1,214,244.35 = 477,479.22/x
  3. Step 3: Cross multiply
    879,887.22x = 1,214,244.35 × 477,479.22
  4. Step 4: Simplify right side
    879,887.22x = 579,776,442,740.01
  5. Step 5: Solve for x
    x = 579,776,442,740.01/879,887.22
  6. Step 6: Final answer
    x = 658,921.31

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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.