Home / 785,528.51-1,084,152.47-463,274.06

Finding the Fourth Proportional to 785,528.51, 1,084,152.47 and 463,274.06

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Solution

The fourth proportional to 785,528.51, 1,084,152.47 and 463,274.06 is: 639,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,528.51 : 1,084,152.47 = 463,274.06 : x
  2. Step 2: Convert to fraction form
    785,528.51/1,084,152.47 = 463,274.06/x
  3. Step 3: Cross multiply
    785,528.51x = 1,084,152.47 × 463,274.06
  4. Step 4: Simplify right side
    785,528.51x = 502,259,708,698.80
  5. Step 5: Solve for x
    x = 502,259,708,698.80/785,528.51
  6. Step 6: Final answer
    x = 639,390.81

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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.