Home / 785,792.90-1,084,398.53-459,125.09

Finding the Fourth Proportional to 785,792.90, 1,084,398.53 and 459,125.09

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Solution

The fourth proportional to 785,792.90, 1,084,398.53 and 459,125.09 is: 633,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,792.90 : 1,084,398.53 = 459,125.09 : x
  2. Step 2: Convert to fraction form
    785,792.90/1,084,398.53 = 459,125.09/x
  3. Step 3: Cross multiply
    785,792.90x = 1,084,398.53 × 459,125.09
  4. Step 4: Simplify right side
    785,792.90x = 497,874,572,682.12
  5. Step 5: Solve for x
    x = 497,874,572,682.12/785,792.90
  6. Step 6: Final answer
    x = 633,595.15

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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.