Home / 803,147.88-1,108,158.02-480,735.40

Finding the Fourth Proportional to 803,147.88, 1,108,158.02 and 480,735.40

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Solution

The fourth proportional to 803,147.88, 1,108,158.02 and 480,735.40 is: 663,303.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,147.88 : 1,108,158.02 = 480,735.40 : x
  2. Step 2: Convert to fraction form
    803,147.88/1,108,158.02 = 480,735.40/x
  3. Step 3: Cross multiply
    803,147.88x = 1,108,158.02 × 480,735.40
  4. Step 4: Simplify right side
    803,147.88x = 532,730,789,007.91
  5. Step 5: Solve for x
    x = 532,730,789,007.91/803,147.88
  6. Step 6: Final answer
    x = 663,303.49

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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.