Home / 818,123.44-1,129,061.62-450,600.50

Finding the Fourth Proportional to 818,123.44, 1,129,061.62 and 450,600.50

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Solution

The fourth proportional to 818,123.44, 1,129,061.62 and 450,600.50 is: 621,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,123.44 : 1,129,061.62 = 450,600.50 : x
  2. Step 2: Convert to fraction form
    818,123.44/1,129,061.62 = 450,600.50/x
  3. Step 3: Cross multiply
    818,123.44x = 1,129,061.62 × 450,600.50
  4. Step 4: Simplify right side
    818,123.44x = 508,755,730,502.81
  5. Step 5: Solve for x
    x = 508,755,730,502.81/818,123.44
  6. Step 6: Final answer
    x = 621,856.93

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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.