Home / 549,822.94-758,743.34-320,365.96

Finding the Fourth Proportional to 549,822.94, 758,743.34 and 320,365.96

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Solution

The fourth proportional to 549,822.94, 758,743.34 and 320,365.96 is: 442,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,822.94 : 758,743.34 = 320,365.96 : x
  2. Step 2: Convert to fraction form
    549,822.94/758,743.34 = 320,365.96/x
  3. Step 3: Cross multiply
    549,822.94x = 758,743.34 × 320,365.96
  4. Step 4: Simplify right side
    549,822.94x = 243,075,538,512.71
  5. Step 5: Solve for x
    x = 243,075,538,512.71/549,822.94
  6. Step 6: Final answer
    x = 442,097.85

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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.