Home / 724,855.56-1,087,667.28-526,810.56

Finding the Fourth Proportional to 724,855.56, 1,087,667.28 and 526,810.56

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Solution

The fourth proportional to 724,855.56, 1,087,667.28 and 526,810.56 is: 790,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,855.56 : 1,087,667.28 = 526,810.56 : x
  2. Step 2: Convert to fraction form
    724,855.56/1,087,667.28 = 526,810.56/x
  3. Step 3: Cross multiply
    724,855.56x = 1,087,667.28 × 526,810.56
  4. Step 4: Simplify right side
    724,855.56x = 572,994,608,870.48
  5. Step 5: Solve for x
    x = 572,994,608,870.48/724,855.56
  6. Step 6: Final answer
    x = 790,494.88

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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.