Home / 931,671.21-1,285,751.88-523,901.42

Finding the Fourth Proportional to 931,671.21, 1,285,751.88 and 523,901.42

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Solution

The fourth proportional to 931,671.21, 1,285,751.88 and 523,901.42 is: 723,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,671.21 : 1,285,751.88 = 523,901.42 : x
  2. Step 2: Convert to fraction form
    931,671.21/1,285,751.88 = 523,901.42/x
  3. Step 3: Cross multiply
    931,671.21x = 1,285,751.88 × 523,901.42
  4. Step 4: Simplify right side
    931,671.21x = 673,607,229,270.91
  5. Step 5: Solve for x
    x = 673,607,229,270.91/931,671.21
  6. Step 6: Final answer
    x = 723,009.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.