Home / 549,947.98-758,851.23-308,211.58

Finding the Fourth Proportional to 549,947.98, 758,851.23 and 308,211.58

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Solution

The fourth proportional to 549,947.98, 758,851.23 and 308,211.58 is: 425,288.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,947.98 : 758,851.23 = 308,211.58 : x
  2. Step 2: Convert to fraction form
    549,947.98/758,851.23 = 308,211.58/x
  3. Step 3: Cross multiply
    549,947.98x = 758,851.23 × 308,211.58
  4. Step 4: Simplify right side
    549,947.98x = 233,886,736,583.24
  5. Step 5: Solve for x
    x = 233,886,736,583.24/549,947.98
  6. Step 6: Final answer
    x = 425,288.84

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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.