Home / 877,904.01-1,316,961.44-309,167.48

Finding the Fourth Proportional to 877,904.01, 1,316,961.44 and 309,167.48

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Solution

The fourth proportional to 877,904.01, 1,316,961.44 and 309,167.48 is: 463,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,904.01 : 1,316,961.44 = 309,167.48 : x
  2. Step 2: Convert to fraction form
    877,904.01/1,316,961.44 = 309,167.48/x
  3. Step 3: Cross multiply
    877,904.01x = 1,316,961.44 × 309,167.48
  4. Step 4: Simplify right side
    877,904.01x = 407,161,653,054.74
  5. Step 5: Solve for x
    x = 407,161,653,054.74/877,904.01
  6. Step 6: Final answer
    x = 463,788.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.