Home / 687,984.60-1,029,644.10-604,003.80

Finding the Fourth Proportional to 687,984.60, 1,029,644.10 and 604,003.80

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Solution

The fourth proportional to 687,984.60, 1,029,644.10 and 604,003.80 is: 903,957.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,984.60 : 1,029,644.10 = 604,003.80 : x
  2. Step 2: Convert to fraction form
    687,984.60/1,029,644.10 = 604,003.80/x
  3. Step 3: Cross multiply
    687,984.60x = 1,029,644.10 × 604,003.80
  4. Step 4: Simplify right side
    687,984.60x = 621,908,949,047.58
  5. Step 5: Solve for x
    x = 621,908,949,047.58/687,984.60
  6. Step 6: Final answer
    x = 903,957.66

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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.