Home / 979,381.80-1,469,038.41-402,984.27

Finding the Fourth Proportional to 979,381.80, 1,469,038.41 and 402,984.27

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Solution

The fourth proportional to 979,381.80, 1,469,038.41 and 402,984.27 is: 604,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,381.80 : 1,469,038.41 = 402,984.27 : x
  2. Step 2: Convert to fraction form
    979,381.80/1,469,038.41 = 402,984.27/x
  3. Step 3: Cross multiply
    979,381.80x = 1,469,038.41 × 402,984.27
  4. Step 4: Simplify right side
    979,381.80x = 591,999,371,255.81
  5. Step 5: Solve for x
    x = 591,999,371,255.81/979,381.80
  6. Step 6: Final answer
    x = 604,462.30

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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.