Home / 839,647.68-1,158,715.56-549,458.29

Finding the Fourth Proportional to 839,647.68, 1,158,715.56 and 549,458.29

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Solution

The fourth proportional to 839,647.68, 1,158,715.56 and 549,458.29 is: 758,253.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,647.68 : 1,158,715.56 = 549,458.29 : x
  2. Step 2: Convert to fraction form
    839,647.68/1,158,715.56 = 549,458.29/x
  3. Step 3: Cross multiply
    839,647.68x = 1,158,715.56 × 549,458.29
  4. Step 4: Simplify right side
    839,647.68x = 636,665,870,193.99
  5. Step 5: Solve for x
    x = 636,665,870,193.99/839,647.68
  6. Step 6: Final answer
    x = 758,253.59

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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.