Home / 905,384.52-1,249,583.04-523,631.52

Finding the Fourth Proportional to 905,384.52, 1,249,583.04 and 523,631.52

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Solution

The fourth proportional to 905,384.52, 1,249,583.04 and 523,631.52 is: 722,699.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,384.52 : 1,249,583.04 = 523,631.52 : x
  2. Step 2: Convert to fraction form
    905,384.52/1,249,583.04 = 523,631.52/x
  3. Step 3: Cross multiply
    905,384.52x = 1,249,583.04 × 523,631.52
  4. Step 4: Simplify right side
    905,384.52x = 654,321,066,601.42
  5. Step 5: Solve for x
    x = 654,321,066,601.42/905,384.52
  6. Step 6: Final answer
    x = 722,699.64

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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.