Home / 803,400.06-1,108,726.79-481,048.61

Finding the Fourth Proportional to 803,400.06, 1,108,726.79 and 481,048.61

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Solution

The fourth proportional to 803,400.06, 1,108,726.79 and 481,048.61 is: 663,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,400.06 : 1,108,726.79 = 481,048.61 : x
  2. Step 2: Convert to fraction form
    803,400.06/1,108,726.79 = 481,048.61/x
  3. Step 3: Cross multiply
    803,400.06x = 1,108,726.79 × 481,048.61
  4. Step 4: Simplify right side
    803,400.06x = 533,351,475,655.63
  5. Step 5: Solve for x
    x = 533,351,475,655.63/803,400.06
  6. Step 6: Final answer
    x = 663,867.86

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1.5x scale

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.