Home / 785,929.07-1,084,582.11-428,233.07

Finding the Fourth Proportional to 785,929.07, 1,084,582.11 and 428,233.07

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Solution

The fourth proportional to 785,929.07, 1,084,582.11 and 428,233.07 is: 590,961.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,929.07 : 1,084,582.11 = 428,233.07 : x
  2. Step 2: Convert to fraction form
    785,929.07/1,084,582.11 = 428,233.07/x
  3. Step 3: Cross multiply
    785,929.07x = 1,084,582.11 × 428,233.07
  4. Step 4: Simplify right side
    785,929.07x = 464,453,921,209.47
  5. Step 5: Solve for x
    x = 464,453,921,209.47/785,929.07
  6. Step 6: Final answer
    x = 590,961.63

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1.5x scale

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.