Home / 785,670.63-1,084,190.46-459,013.93

Finding the Fourth Proportional to 785,670.63, 1,084,190.46 and 459,013.93

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Solution

The fourth proportional to 785,670.63, 1,084,190.46 and 459,013.93 is: 633,418.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,670.63 : 1,084,190.46 = 459,013.93 : x
  2. Step 2: Convert to fraction form
    785,670.63/1,084,190.46 = 459,013.93/x
  3. Step 3: Cross multiply
    785,670.63x = 1,084,190.46 × 459,013.93
  4. Step 4: Simplify right side
    785,670.63x = 497,658,523,913.11
  5. Step 5: Solve for x
    x = 497,658,523,913.11/785,670.63
  6. Step 6: Final answer
    x = 633,418.77

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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.