Home / 840,484.06-1,159,886.42-458,510.54

Finding the Fourth Proportional to 840,484.06, 1,159,886.42 and 458,510.54

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Solution

The fourth proportional to 840,484.06, 1,159,886.42 and 458,510.54 is: 632,754.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,484.06 : 1,159,886.42 = 458,510.54 : x
  2. Step 2: Convert to fraction form
    840,484.06/1,159,886.42 = 458,510.54/x
  3. Step 3: Cross multiply
    840,484.06x = 1,159,886.42 × 458,510.54
  4. Step 4: Simplify right side
    840,484.06x = 531,820,142,400.30
  5. Step 5: Solve for x
    x = 531,820,142,400.30/840,484.06
  6. Step 6: Final answer
    x = 632,754.59

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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.