Home / 840,482.06-1,159,867.96-458,516.84

Finding the Fourth Proportional to 840,482.06, 1,159,867.96 and 458,516.84

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Solution

The fourth proportional to 840,482.06, 1,159,867.96 and 458,516.84 is: 632,754.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,482.06 : 1,159,867.96 = 458,516.84 : x
  2. Step 2: Convert to fraction form
    840,482.06/1,159,867.96 = 458,516.84/x
  3. Step 3: Cross multiply
    840,482.06x = 1,159,867.96 × 458,516.84
  4. Step 4: Simplify right side
    840,482.06x = 531,818,984,890.82
  5. Step 5: Solve for x
    x = 531,818,984,890.82/840,482.06
  6. Step 6: Final answer
    x = 632,754.72

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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.