Home / 962,855.40-1,443,116.70-429,810.60

Finding the Fourth Proportional to 962,855.40, 1,443,116.70 and 429,810.60

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Solution

The fourth proportional to 962,855.40, 1,443,116.70 and 429,810.60 is: 644,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,855.40 : 1,443,116.70 = 429,810.60 : x
  2. Step 2: Convert to fraction form
    962,855.40/1,443,116.70 = 429,810.60/x
  3. Step 3: Cross multiply
    962,855.40x = 1,443,116.70 × 429,810.60
  4. Step 4: Simplify right side
    962,855.40x = 620,266,854,697.02
  5. Step 5: Solve for x
    x = 620,266,854,697.02/962,855.40
  6. Step 6: Final answer
    x = 644,195.23

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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.