Home / 913,232.55-1,369,443.89-486,688.87

Finding the Fourth Proportional to 913,232.55, 1,369,443.89 and 486,688.87

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Solution

The fourth proportional to 913,232.55, 1,369,443.89 and 486,688.87 is: 729,817.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,232.55 : 1,369,443.89 = 486,688.87 : x
  2. Step 2: Convert to fraction form
    913,232.55/1,369,443.89 = 486,688.87/x
  3. Step 3: Cross multiply
    913,232.55x = 1,369,443.89 × 486,688.87
  4. Step 4: Simplify right side
    913,232.55x = 666,493,102,281.03
  5. Step 5: Solve for x
    x = 666,493,102,281.03/913,232.55
  6. Step 6: Final answer
    x = 729,817.50

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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.