Home / 549,948.98-758,852.60-308,212.58

Finding the Fourth Proportional to 549,948.98, 758,852.60 and 308,212.58

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Solution

The fourth proportional to 549,948.98, 758,852.60 and 308,212.58 is: 425,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,948.98 : 758,852.60 = 308,212.58 : x
  2. Step 2: Convert to fraction form
    549,948.98/758,852.60 = 308,212.58/x
  3. Step 3: Cross multiply
    549,948.98x = 758,852.60 × 308,212.58
  4. Step 4: Simplify right side
    549,948.98x = 233,887,917,685.71
  5. Step 5: Solve for x
    x = 233,887,917,685.71/549,948.98
  6. Step 6: Final answer
    x = 425,290.21

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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.