Home / 897,836.66-1,346,778.21-258,114.54

Finding the Fourth Proportional to 897,836.66, 1,346,778.21 and 258,114.54

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Solution

The fourth proportional to 897,836.66, 1,346,778.21 and 258,114.54 is: 387,178.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,836.66 : 1,346,778.21 = 258,114.54 : x
  2. Step 2: Convert to fraction form
    897,836.66/1,346,778.21 = 258,114.54/x
  3. Step 3: Cross multiply
    897,836.66x = 1,346,778.21 × 258,114.54
  4. Step 4: Simplify right side
    897,836.66x = 347,623,038,156.17
  5. Step 5: Solve for x
    x = 347,623,038,156.17/897,836.66
  6. Step 6: Final answer
    x = 387,178.49

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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.