Home / 791,716-1,092,637.20-434,089.12

Finding the Fourth Proportional to 791,716, 1,092,637.20 and 434,089.12

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Solution

The fourth proportional to 791,716, 1,092,637.20 and 434,089.12 is: 599,080.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,716 : 1,092,637.20 = 434,089.12 : x
  2. Step 2: Convert to fraction form
    791,716/1,092,637.20 = 434,089.12/x
  3. Step 3: Cross multiply
    791,716x = 1,092,637.20 × 434,089.12
  4. Step 4: Simplify right side
    791,716x = 474,301,920,627.26
  5. Step 5: Solve for x
    x = 474,301,920,627.26/791,716
  6. Step 6: Final answer
    x = 599,080.88

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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.