Home / 785,345.02-1,083,746.46-479,932.09

Finding the Fourth Proportional to 785,345.02, 1,083,746.46 and 479,932.09

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Solution

The fourth proportional to 785,345.02, 1,083,746.46 and 479,932.09 is: 662,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,345.02 : 1,083,746.46 = 479,932.09 : x
  2. Step 2: Convert to fraction form
    785,345.02/1,083,746.46 = 479,932.09/x
  3. Step 3: Cross multiply
    785,345.02x = 1,083,746.46 × 479,932.09
  4. Step 4: Simplify right side
    785,345.02x = 520,124,703,577.90
  5. Step 5: Solve for x
    x = 520,124,703,577.90/785,345.02
  6. Step 6: Final answer
    x = 662,288.15

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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.