Home / 986,494.80-1,477,117.80-629,576.40

Finding the Fourth Proportional to 986,494.80, 1,477,117.80 and 629,576.40

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Solution

The fourth proportional to 986,494.80, 1,477,117.80 and 629,576.40 is: 942,689.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,494.80 : 1,477,117.80 = 629,576.40 : x
  2. Step 2: Convert to fraction form
    986,494.80/1,477,117.80 = 629,576.40/x
  3. Step 3: Cross multiply
    986,494.80x = 1,477,117.80 × 629,576.40
  4. Step 4: Simplify right side
    986,494.80x = 929,958,506,899.92
  5. Step 5: Solve for x
    x = 929,958,506,899.92/986,494.80
  6. Step 6: Final answer
    x = 942,689.72

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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.