Home / 857,121.02-1,285,895.66-604,893.85

Finding the Fourth Proportional to 857,121.02, 1,285,895.66 and 604,893.85

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Solution

The fourth proportional to 857,121.02, 1,285,895.66 and 604,893.85 is: 907,491.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,121.02 : 1,285,895.66 = 604,893.85 : x
  2. Step 2: Convert to fraction form
    857,121.02/1,285,895.66 = 604,893.85/x
  3. Step 3: Cross multiply
    857,121.02x = 1,285,895.66 × 604,893.85
  4. Step 4: Simplify right side
    857,121.02x = 777,830,376,475.69
  5. Step 5: Solve for x
    x = 777,830,376,475.69/857,121.02
  6. Step 6: Final answer
    x = 907,491.89

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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.