Home / 977,259.80-1,464,723.30-408,639.80

Finding the Fourth Proportional to 977,259.80, 1,464,723.30 and 408,639.80

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Solution

The fourth proportional to 977,259.80, 1,464,723.30 and 408,639.80 is: 612,471.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,259.80 : 1,464,723.30 = 408,639.80 : x
  2. Step 2: Convert to fraction form
    977,259.80/1,464,723.30 = 408,639.80/x
  3. Step 3: Cross multiply
    977,259.80x = 1,464,723.30 × 408,639.80
  4. Step 4: Simplify right side
    977,259.80x = 598,544,236,367.34
  5. Step 5: Solve for x
    x = 598,544,236,367.34/977,259.80
  6. Step 6: Final answer
    x = 612,471.97

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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.