Home / 549,347.25-758,146.90-307,625.43

Finding the Fourth Proportional to 549,347.25, 758,146.90 and 307,625.43

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Solution

The fourth proportional to 549,347.25, 758,146.90 and 307,625.43 is: 424,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,347.25 : 758,146.90 = 307,625.43 : x
  2. Step 2: Convert to fraction form
    549,347.25/758,146.90 = 307,625.43/x
  3. Step 3: Cross multiply
    549,347.25x = 758,146.90 × 307,625.43
  4. Step 4: Simplify right side
    549,347.25x = 233,225,266,115.67
  5. Step 5: Solve for x
    x = 233,225,266,115.67/549,347.25
  6. Step 6: Final answer
    x = 424,549.80

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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.