Home / 889,625.52-1,227,771.27-507,709.71

Finding the Fourth Proportional to 889,625.52, 1,227,771.27 and 507,709.71

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Solution

The fourth proportional to 889,625.52, 1,227,771.27 and 507,709.71 is: 700,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,625.52 : 1,227,771.27 = 507,709.71 : x
  2. Step 2: Convert to fraction form
    889,625.52/1,227,771.27 = 507,709.71/x
  3. Step 3: Cross multiply
    889,625.52x = 1,227,771.27 × 507,709.71
  4. Step 4: Simplify right side
    889,625.52x = 623,351,395,438.03
  5. Step 5: Solve for x
    x = 623,351,395,438.03/889,625.52
  6. Step 6: Final answer
    x = 700,689.65

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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.