Home / 768,859.35-1,061,036.10-424,694.40

Finding the Fourth Proportional to 768,859.35, 1,061,036.10 and 424,694.40

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Solution

The fourth proportional to 768,859.35, 1,061,036.10 and 424,694.40 is: 586,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,859.35 : 1,061,036.10 = 424,694.40 : x
  2. Step 2: Convert to fraction form
    768,859.35/1,061,036.10 = 424,694.40/x
  3. Step 3: Cross multiply
    768,859.35x = 1,061,036.10 × 424,694.40
  4. Step 4: Simplify right side
    768,859.35x = 450,616,089,867.84
  5. Step 5: Solve for x
    x = 450,616,089,867.84/768,859.35
  6. Step 6: Final answer
    x = 586,083.90

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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.