Home / 670,428.60-1,005,545.70-197,064.60

Finding the Fourth Proportional to 670,428.60, 1,005,545.70 and 197,064.60

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Solution

The fourth proportional to 670,428.60, 1,005,545.70 and 197,064.60 is: 295,568.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,428.60 : 1,005,545.70 = 197,064.60 : x
  2. Step 2: Convert to fraction form
    670,428.60/1,005,545.70 = 197,064.60/x
  3. Step 3: Cross multiply
    670,428.60x = 1,005,545.70 × 197,064.60
  4. Step 4: Simplify right side
    670,428.60x = 198,157,461,152.22
  5. Step 5: Solve for x
    x = 198,157,461,152.22/670,428.60
  6. Step 6: Final answer
    x = 295,568.33

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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.