Home / 686,647.60-1,027,897.80-603,703.60

Finding the Fourth Proportional to 686,647.60, 1,027,897.80 and 603,703.60

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Solution

The fourth proportional to 686,647.60, 1,027,897.80 and 603,703.60 is: 903,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,647.60 : 1,027,897.80 = 603,703.60 : x
  2. Step 2: Convert to fraction form
    686,647.60/1,027,897.80 = 603,703.60/x
  3. Step 3: Cross multiply
    686,647.60x = 1,027,897.80 × 603,703.60
  4. Step 4: Simplify right side
    686,647.60x = 620,545,602,292.08
  5. Step 5: Solve for x
    x = 620,545,602,292.08/686,647.60
  6. Step 6: Final answer
    x = 903,732.28

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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.