Home / 889,667.82-1,227,829.41-507,751.74

Finding the Fourth Proportional to 889,667.82, 1,227,829.41 and 507,751.74

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Solution

The fourth proportional to 889,667.82, 1,227,829.41 and 507,751.74 is: 700,747.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,667.82 : 1,227,829.41 = 507,751.74 : x
  2. Step 2: Convert to fraction form
    889,667.82/1,227,829.41 = 507,751.74/x
  3. Step 3: Cross multiply
    889,667.82x = 1,227,829.41 × 507,751.74
  4. Step 4: Simplify right side
    889,667.82x = 623,432,519,350.67
  5. Step 5: Solve for x
    x = 623,432,519,350.67/889,667.82
  6. Step 6: Final answer
    x = 700,747.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.