Home / 635,931.96-877,635.05-364,085.43

Finding the Fourth Proportional to 635,931.96, 877,635.05 and 364,085.43

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Solution

The fourth proportional to 635,931.96, 877,635.05 and 364,085.43 is: 502,465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,931.96 : 877,635.05 = 364,085.43 : x
  2. Step 2: Convert to fraction form
    635,931.96/877,635.05 = 364,085.43/x
  3. Step 3: Cross multiply
    635,931.96x = 877,635.05 × 364,085.43
  4. Step 4: Simplify right side
    635,931.96x = 319,534,132,741.89
  5. Step 5: Solve for x
    x = 319,534,132,741.89/635,931.96
  6. Step 6: Final answer
    x = 502,465.91

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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.