Home / 986,562.95-1,479,885.58-312,629.33

Finding the Fourth Proportional to 986,562.95, 1,479,885.58 and 312,629.33

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Solution

The fourth proportional to 986,562.95, 1,479,885.58 and 312,629.33 is: 468,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,562.95 : 1,479,885.58 = 312,629.33 : x
  2. Step 2: Convert to fraction form
    986,562.95/1,479,885.58 = 312,629.33/x
  3. Step 3: Cross multiply
    986,562.95x = 1,479,885.58 × 312,629.33
  4. Step 4: Simplify right side
    986,562.95x = 462,655,637,352.06
  5. Step 5: Solve for x
    x = 462,655,637,352.06/986,562.95
  6. Step 6: Final answer
    x = 468,957.04

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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.