Home / 785,836.98-1,084,585.05-463,625.86

Finding the Fourth Proportional to 785,836.98, 1,084,585.05 and 463,625.86

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Solution

The fourth proportional to 785,836.98, 1,084,585.05 and 463,625.86 is: 639,880.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,836.98 : 1,084,585.05 = 463,625.86 : x
  2. Step 2: Convert to fraction form
    785,836.98/1,084,585.05 = 463,625.86/x
  3. Step 3: Cross multiply
    785,836.98x = 1,084,585.05 × 463,625.86
  4. Step 4: Simplify right side
    785,836.98x = 502,841,676,549.39
  5. Step 5: Solve for x
    x = 502,841,676,549.39/785,836.98
  6. Step 6: Final answer
    x = 639,880.39

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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.