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Finding the Fourth Proportional to 607,242.51, 838,068.56 and 352,593.71

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Solution

The fourth proportional to 607,242.51, 838,068.56 and 352,593.71 is: 486,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,242.51 : 838,068.56 = 352,593.71 : x
  2. Step 2: Convert to fraction form
    607,242.51/838,068.56 = 352,593.71/x
  3. Step 3: Cross multiply
    607,242.51x = 838,068.56 × 352,593.71
  4. Step 4: Simplify right side
    607,242.51x = 295,497,696,851.45
  5. Step 5: Solve for x
    x = 295,497,696,851.45/607,242.51
  6. Step 6: Final answer
    x = 486,622.22

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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.