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Finding the Fourth Proportional to 549,596.34, 758,429.73 and 307,889.10

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Solution

The fourth proportional to 549,596.34, 758,429.73 and 307,889.10 is: 424,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,596.34 : 758,429.73 = 307,889.10 : x
  2. Step 2: Convert to fraction form
    549,596.34/758,429.73 = 307,889.10/x
  3. Step 3: Cross multiply
    549,596.34x = 758,429.73 × 307,889.10
  4. Step 4: Simplify right side
    549,596.34x = 233,512,246,982.94
  5. Step 5: Solve for x
    x = 233,512,246,982.94/549,596.34
  6. Step 6: Final answer
    x = 424,879.55

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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.