Home / 977,455.30-1,465,016.55-408,835.30

Finding the Fourth Proportional to 977,455.30, 1,465,016.55 and 408,835.30

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Solution

The fourth proportional to 977,455.30, 1,465,016.55 and 408,835.30 is: 612,765.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,455.30 : 1,465,016.55 = 408,835.30 : x
  2. Step 2: Convert to fraction form
    977,455.30/1,465,016.55 = 408,835.30/x
  3. Step 3: Cross multiply
    977,455.30x = 1,465,016.55 × 408,835.30
  4. Step 4: Simplify right side
    977,455.30x = 598,950,480,724.22
  5. Step 5: Solve for x
    x = 598,950,480,724.22/977,455.30
  6. Step 6: Final answer
    x = 612,765.09

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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.