Home / 763,865.28-1,054,164-522,653.76

Finding the Fourth Proportional to 763,865.28, 1,054,164 and 522,653.76

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Solution

The fourth proportional to 763,865.28, 1,054,164 and 522,653.76 is: 721,282.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,865.28 : 1,054,164 = 522,653.76 : x
  2. Step 2: Convert to fraction form
    763,865.28/1,054,164 = 522,653.76/x
  3. Step 3: Cross multiply
    763,865.28x = 1,054,164 × 522,653.76
  4. Step 4: Simplify right side
    763,865.28x = 550,962,778,256.64
  5. Step 5: Solve for x
    x = 550,962,778,256.64/763,865.28
  6. Step 6: Final answer
    x = 721,282.66

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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.