Home / 670,548.60-1,006,989.30-649,553.40

Finding the Fourth Proportional to 670,548.60, 1,006,989.30 and 649,553.40

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Solution

The fourth proportional to 670,548.60, 1,006,989.30 and 649,553.40 is: 975,459.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,548.60 : 1,006,989.30 = 649,553.40 : x
  2. Step 2: Convert to fraction form
    670,548.60/1,006,989.30 = 649,553.40/x
  3. Step 3: Cross multiply
    670,548.60x = 1,006,989.30 × 649,553.40
  4. Step 4: Simplify right side
    670,548.60x = 654,093,323,578.62
  5. Step 5: Solve for x
    x = 654,093,323,578.62/670,548.60
  6. Step 6: Final answer
    x = 975,459.98

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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.