Home / 785,811.03-1,084,549.68-463,600.32

Finding the Fourth Proportional to 785,811.03, 1,084,549.68 and 463,600.32

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Solution

The fourth proportional to 785,811.03, 1,084,549.68 and 463,600.32 is: 639,845.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,811.03 : 1,084,549.68 = 463,600.32 : x
  2. Step 2: Convert to fraction form
    785,811.03/1,084,549.68 = 463,600.32/x
  3. Step 3: Cross multiply
    785,811.03x = 1,084,549.68 × 463,600.32
  4. Step 4: Simplify right side
    785,811.03x = 502,797,578,703.90
  5. Step 5: Solve for x
    x = 502,797,578,703.90/785,811.03
  6. Step 6: Final answer
    x = 639,845.41

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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.