Home / 724,858.56-1,087,671.78-526,813.56

Finding the Fourth Proportional to 724,858.56, 1,087,671.78 and 526,813.56

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Solution

The fourth proportional to 724,858.56, 1,087,671.78 and 526,813.56 is: 790,499.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,858.56 : 1,087,671.78 = 526,813.56 : x
  2. Step 2: Convert to fraction form
    724,858.56/1,087,671.78 = 526,813.56/x
  3. Step 3: Cross multiply
    724,858.56x = 1,087,671.78 × 526,813.56
  4. Step 4: Simplify right side
    724,858.56x = 573,000,242,533.34
  5. Step 5: Solve for x
    x = 573,000,242,533.34/724,858.56
  6. Step 6: Final answer
    x = 790,499.38

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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.