Home / 549,076.32-755,438.40-484,263.36

Finding the Fourth Proportional to 549,076.32, 755,438.40 and 484,263.36

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Solution

The fourth proportional to 549,076.32, 755,438.40 and 484,263.36 is: 666,266.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,076.32 : 755,438.40 = 484,263.36 : x
  2. Step 2: Convert to fraction form
    549,076.32/755,438.40 = 484,263.36/x
  3. Step 3: Cross multiply
    549,076.32x = 755,438.40 × 484,263.36
  4. Step 4: Simplify right side
    549,076.32x = 365,831,137,857.02
  5. Step 5: Solve for x
    x = 365,831,137,857.02/549,076.32
  6. Step 6: Final answer
    x = 666,266.46

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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.