Home / 975,631.80-1,463,885.10-442,878.60

Finding the Fourth Proportional to 975,631.80, 1,463,885.10 and 442,878.60

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Solution

The fourth proportional to 975,631.80, 1,463,885.10 and 442,878.60 is: 664,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,631.80 : 1,463,885.10 = 442,878.60 : x
  2. Step 2: Convert to fraction form
    975,631.80/1,463,885.10 = 442,878.60/x
  3. Step 3: Cross multiply
    975,631.80x = 1,463,885.10 × 442,878.60
  4. Step 4: Simplify right side
    975,631.80x = 648,323,383,648.86
  5. Step 5: Solve for x
    x = 648,323,383,648.86/975,631.80
  6. Step 6: Final answer
    x = 664,516.45

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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.