Home / 857,128.06-1,285,906.15-604,901.18

Finding the Fourth Proportional to 857,128.06, 1,285,906.15 and 604,901.18

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Solution

The fourth proportional to 857,128.06, 1,285,906.15 and 604,901.18 is: 907,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,128.06 : 1,285,906.15 = 604,901.18 : x
  2. Step 2: Convert to fraction form
    857,128.06/1,285,906.15 = 604,901.18/x
  3. Step 3: Cross multiply
    857,128.06x = 1,285,906.15 × 604,901.18
  4. Step 4: Simplify right side
    857,128.06x = 777,846,151,475.15
  5. Step 5: Solve for x
    x = 777,846,151,475.15/857,128.06
  6. Step 6: Final answer
    x = 907,502.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.