Home / 803,464.47-1,108,777.92-440,894.40

Finding the Fourth Proportional to 803,464.47, 1,108,777.92 and 440,894.40

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Solution

The fourth proportional to 803,464.47, 1,108,777.92 and 440,894.40 is: 608,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,464.47 : 1,108,777.92 = 440,894.40 : x
  2. Step 2: Convert to fraction form
    803,464.47/1,108,777.92 = 440,894.40/x
  3. Step 3: Cross multiply
    803,464.47x = 1,108,777.92 × 440,894.40
  4. Step 4: Simplify right side
    803,464.47x = 488,853,975,771.65
  5. Step 5: Solve for x
    x = 488,853,975,771.65/803,464.47
  6. Step 6: Final answer
    x = 608,432.60

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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.