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Finding the Fourth Proportional to 585,130.33, 807,537.14 and 355,670.29

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Solution

The fourth proportional to 585,130.33, 807,537.14 and 355,670.29 is: 490,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,130.33 : 807,537.14 = 355,670.29 : x
  2. Step 2: Convert to fraction form
    585,130.33/807,537.14 = 355,670.29/x
  3. Step 3: Cross multiply
    585,130.33x = 807,537.14 × 355,670.29
  4. Step 4: Simplify right side
    585,130.33x = 287,216,968,769.57
  5. Step 5: Solve for x
    x = 287,216,968,769.57/585,130.33
  6. Step 6: Final answer
    x = 490,859.82

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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.