Home / 889,665.45-1,227,826.13-507,749.37

Finding the Fourth Proportional to 889,665.45, 1,227,826.13 and 507,749.37

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Solution

The fourth proportional to 889,665.45, 1,227,826.13 and 507,749.37 is: 700,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,665.45 : 1,227,826.13 = 507,749.37 : x
  2. Step 2: Convert to fraction form
    889,665.45/1,227,826.13 = 507,749.37/x
  3. Step 3: Cross multiply
    889,665.45x = 1,227,826.13 × 507,749.37
  4. Step 4: Simplify right side
    889,665.45x = 623,427,943,977.04
  5. Step 5: Solve for x
    x = 623,427,943,977.04/889,665.45
  6. Step 6: Final answer
    x = 700,744.24

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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.