Home / 556,727.28-834,346.44-289,927.68

Finding the Fourth Proportional to 556,727.28, 834,346.44 and 289,927.68

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Solution

The fourth proportional to 556,727.28, 834,346.44 and 289,927.68 is: 434,503.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,727.28 : 834,346.44 = 289,927.68 : x
  2. Step 2: Convert to fraction form
    556,727.28/834,346.44 = 289,927.68/x
  3. Step 3: Cross multiply
    556,727.28x = 834,346.44 × 289,927.68
  4. Step 4: Simplify right side
    556,727.28x = 241,900,127,665.46
  5. Step 5: Solve for x
    x = 241,900,127,665.46/556,727.28
  6. Step 6: Final answer
    x = 434,503.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.