Home / 975,077.80-1,462,616.70-443,636.80

Finding the Fourth Proportional to 975,077.80, 1,462,616.70 and 443,636.80

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Solution

The fourth proportional to 975,077.80, 1,462,616.70 and 443,636.80 is: 665,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,077.80 : 1,462,616.70 = 443,636.80 : x
  2. Step 2: Convert to fraction form
    975,077.80/1,462,616.70 = 443,636.80/x
  3. Step 3: Cross multiply
    975,077.80x = 1,462,616.70 × 443,636.80
  4. Step 4: Simplify right side
    975,077.80x = 648,870,592,414.56
  5. Step 5: Solve for x
    x = 648,870,592,414.56/975,077.80
  6. Step 6: Final answer
    x = 665,455.20

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1.5x scale

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.