Home / 983,377.72-1,475,640.12-414,723.76

Finding the Fourth Proportional to 983,377.72, 1,475,640.12 and 414,723.76

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Solution

The fourth proportional to 983,377.72, 1,475,640.12 and 414,723.76 is: 622,327.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,377.72 : 1,475,640.12 = 414,723.76 : x
  2. Step 2: Convert to fraction form
    983,377.72/1,475,640.12 = 414,723.76/x
  3. Step 3: Cross multiply
    983,377.72x = 1,475,640.12 × 414,723.76
  4. Step 4: Simplify right side
    983,377.72x = 611,983,018,973.25
  5. Step 5: Solve for x
    x = 611,983,018,973.25/983,377.72
  6. Step 6: Final answer
    x = 622,327.52

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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.