Home / 549,342.16-758,113.78-307,622.60

Finding the Fourth Proportional to 549,342.16, 758,113.78 and 307,622.60

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Solution

The fourth proportional to 549,342.16, 758,113.78 and 307,622.60 is: 424,531.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,342.16 : 758,113.78 = 307,622.60 : x
  2. Step 2: Convert to fraction form
    549,342.16/758,113.78 = 307,622.60/x
  3. Step 3: Cross multiply
    549,342.16x = 758,113.78 × 307,622.60
  4. Step 4: Simplify right side
    549,342.16x = 233,212,932,099.43
  5. Step 5: Solve for x
    x = 233,212,932,099.43/549,342.16
  6. Step 6: Final answer
    x = 424,531.28

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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.