Home / 765,538.56-1,148,909.76-530,533.44

Finding the Fourth Proportional to 765,538.56, 1,148,909.76 and 530,533.44

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Solution

The fourth proportional to 765,538.56, 1,148,909.76 and 530,533.44 is: 796,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,538.56 : 1,148,909.76 = 530,533.44 : x
  2. Step 2: Convert to fraction form
    765,538.56/1,148,909.76 = 530,533.44/x
  3. Step 3: Cross multiply
    765,538.56x = 1,148,909.76 × 530,533.44
  4. Step 4: Simplify right side
    765,538.56x = 609,535,047,222.37
  5. Step 5: Solve for x
    x = 609,535,047,222.37/765,538.56
  6. Step 6: Final answer
    x = 796,217.30

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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.