Home / 549,974.52-758,985.70-308,261.56

Finding the Fourth Proportional to 549,974.52, 758,985.70 and 308,261.56

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Solution

The fourth proportional to 549,974.52, 758,985.70 and 308,261.56 is: 425,412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,974.52 : 758,985.70 = 308,261.56 : x
  2. Step 2: Convert to fraction form
    549,974.52/758,985.70 = 308,261.56/x
  3. Step 3: Cross multiply
    549,974.52x = 758,985.70 × 308,261.56
  4. Step 4: Simplify right side
    549,974.52x = 233,966,115,899.69
  5. Step 5: Solve for x
    x = 233,966,115,899.69/549,974.52
  6. Step 6: Final answer
    x = 425,412.65

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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.