Home / 915,933.03-1,263,957.68-553,293.74

Finding the Fourth Proportional to 915,933.03, 1,263,957.68 and 553,293.74

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Solution

The fourth proportional to 915,933.03, 1,263,957.68 and 553,293.74 is: 763,527.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,933.03 : 1,263,957.68 = 553,293.74 : x
  2. Step 2: Convert to fraction form
    915,933.03/1,263,957.68 = 553,293.74/x
  3. Step 3: Cross multiply
    915,933.03x = 1,263,957.68 × 553,293.74
  4. Step 4: Simplify right side
    915,933.03x = 699,339,878,567.91
  5. Step 5: Solve for x
    x = 699,339,878,567.91/915,933.03
  6. Step 6: Final answer
    x = 763,527.31

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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.