Home / 803,466.47-1,108,780.67-440,896.40

Finding the Fourth Proportional to 803,466.47, 1,108,780.67 and 440,896.40

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Solution

The fourth proportional to 803,466.47, 1,108,780.67 and 440,896.40 is: 608,435.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,466.47 : 1,108,780.67 = 440,896.40 : x
  2. Step 2: Convert to fraction form
    803,466.47/1,108,780.67 = 440,896.40/x
  3. Step 3: Cross multiply
    803,466.47x = 1,108,780.67 × 440,896.40
  4. Step 4: Simplify right side
    803,466.47x = 488,857,398,044.20
  5. Step 5: Solve for x
    x = 488,857,398,044.20/803,466.47
  6. Step 6: Final answer
    x = 608,435.35

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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.