Home / 889,253.76-1,227,055.92-507,257.76

Finding the Fourth Proportional to 889,253.76, 1,227,055.92 and 507,257.76

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Solution

The fourth proportional to 889,253.76, 1,227,055.92 and 507,257.76 is: 699,950.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,253.76 : 1,227,055.92 = 507,257.76 : x
  2. Step 2: Convert to fraction form
    889,253.76/1,227,055.92 = 507,257.76/x
  3. Step 3: Cross multiply
    889,253.76x = 1,227,055.92 × 507,257.76
  4. Step 4: Simplify right side
    889,253.76x = 622,433,637,373.94
  5. Step 5: Solve for x
    x = 622,433,637,373.94/889,253.76
  6. Step 6: Final answer
    x = 699,950.53

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Double scale
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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.