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Finding the Fourth Proportional to 985,676.67, 1,478,292.03 and 452,685.33

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Solution

The fourth proportional to 985,676.67, 1,478,292.03 and 452,685.33 is: 678,925.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,676.67 : 1,478,292.03 = 452,685.33 : x
  2. Step 2: Convert to fraction form
    985,676.67/1,478,292.03 = 452,685.33/x
  3. Step 3: Cross multiply
    985,676.67x = 1,478,292.03 × 452,685.33
  4. Step 4: Simplify right side
    985,676.67x = 669,201,115,436.92
  5. Step 5: Solve for x
    x = 669,201,115,436.92/985,676.67
  6. Step 6: Final answer
    x = 678,925.59

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1.5x scale

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.