Home / 803,023.50-1,107,790.45-480,671.31

Finding the Fourth Proportional to 803,023.50, 1,107,790.45 and 480,671.31

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Solution

The fourth proportional to 803,023.50, 1,107,790.45 and 480,671.31 is: 663,097.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,023.50 : 1,107,790.45 = 480,671.31 : x
  2. Step 2: Convert to fraction form
    803,023.50/1,107,790.45 = 480,671.31/x
  3. Step 3: Cross multiply
    803,023.50x = 1,107,790.45 × 480,671.31
  4. Step 4: Simplify right side
    803,023.50x = 532,483,091,111.41
  5. Step 5: Solve for x
    x = 532,483,091,111.41/803,023.50
  6. Step 6: Final answer
    x = 663,097.77

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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.