Home / 1,020,731.24-1,531,424.70-310,896.68

Finding the Fourth Proportional to 1,020,731.24, 1,531,424.70 and 310,896.68

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Solution

The fourth proportional to 1,020,731.24, 1,531,424.70 and 310,896.68 is: 466,444.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,731.24 : 1,531,424.70 = 310,896.68 : x
  2. Step 2: Convert to fraction form
    1,020,731.24/1,531,424.70 = 310,896.68/x
  3. Step 3: Cross multiply
    1,020,731.24x = 1,531,424.70 × 310,896.68
  4. Step 4: Simplify right side
    1,020,731.24x = 476,114,854,900.00
  5. Step 5: Solve for x
    x = 476,114,854,900.00/1,020,731.24
  6. Step 6: Final answer
    x = 466,444.87

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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.