Home / 786,677.12-1,179,840.01-306,917.70

Finding the Fourth Proportional to 786,677.12, 1,179,840.01 and 306,917.70

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Solution

The fourth proportional to 786,677.12, 1,179,840.01 and 306,917.70 is: 460,308.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,677.12 : 1,179,840.01 = 306,917.70 : x
  2. Step 2: Convert to fraction form
    786,677.12/1,179,840.01 = 306,917.70/x
  3. Step 3: Cross multiply
    786,677.12x = 1,179,840.01 × 306,917.70
  4. Step 4: Simplify right side
    786,677.12x = 362,113,782,237.18
  5. Step 5: Solve for x
    x = 362,113,782,237.18/786,677.12
  6. Step 6: Final answer
    x = 460,308.01

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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.