Home / 426,985.86-588,858.87-354,273.65

Finding the Fourth Proportional to 426,985.86, 588,858.87 and 354,273.65

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Solution

The fourth proportional to 426,985.86, 588,858.87 and 354,273.65 is: 488,581.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,985.86 : 588,858.87 = 354,273.65 : x
  2. Step 2: Convert to fraction form
    426,985.86/588,858.87 = 354,273.65/x
  3. Step 3: Cross multiply
    426,985.86x = 588,858.87 × 354,273.65
  4. Step 4: Simplify right side
    426,985.86x = 208,617,178,941.39
  5. Step 5: Solve for x
    x = 208,617,178,941.39/426,985.86
  6. Step 6: Final answer
    x = 488,581.00

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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.