Home / 589,712.31-883,271.87-487,350.25

Finding the Fourth Proportional to 589,712.31, 883,271.87 and 487,350.25

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Solution

The fourth proportional to 589,712.31, 883,271.87 and 487,350.25 is: 729,953.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,712.31 : 883,271.87 = 487,350.25 : x
  2. Step 2: Convert to fraction form
    589,712.31/883,271.87 = 487,350.25/x
  3. Step 3: Cross multiply
    589,712.31x = 883,271.87 × 487,350.25
  4. Step 4: Simplify right side
    589,712.31x = 430,462,764,013.81
  5. Step 5: Solve for x
    x = 430,462,764,013.81/589,712.31
  6. Step 6: Final answer
    x = 729,953.84

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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.