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Finding the Fourth Proportional to 611,441.68, 843,777.68 and 339,495.52

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Solution

The fourth proportional to 611,441.68, 843,777.68 and 339,495.52 is: 468,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,441.68 : 843,777.68 = 339,495.52 : x
  2. Step 2: Convert to fraction form
    611,441.68/843,777.68 = 339,495.52/x
  3. Step 3: Cross multiply
    611,441.68x = 843,777.68 × 339,495.52
  4. Step 4: Simplify right side
    611,441.68x = 286,458,742,235.99
  5. Step 5: Solve for x
    x = 286,458,742,235.99/611,441.68
  6. Step 6: Final answer
    x = 468,497.24

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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.