Home / 788,090.52-1,182,308.64-255,665.40

Finding the Fourth Proportional to 788,090.52, 1,182,308.64 and 255,665.40

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Solution

The fourth proportional to 788,090.52, 1,182,308.64 and 255,665.40 is: 383,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,090.52 : 1,182,308.64 = 255,665.40 : x
  2. Step 2: Convert to fraction form
    788,090.52/1,182,308.64 = 255,665.40/x
  3. Step 3: Cross multiply
    788,090.52x = 1,182,308.64 × 255,665.40
  4. Step 4: Simplify right side
    788,090.52x = 302,275,411,369.06
  5. Step 5: Solve for x
    x = 302,275,411,369.06/788,090.52
  6. Step 6: Final answer
    x = 383,554.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.