Home / 860,854.70-1,291,282.05-546,704.30

Finding the Fourth Proportional to 860,854.70, 1,291,282.05 and 546,704.30

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Solution

The fourth proportional to 860,854.70, 1,291,282.05 and 546,704.30 is: 820,056.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,854.70 : 1,291,282.05 = 546,704.30 : x
  2. Step 2: Convert to fraction form
    860,854.70/1,291,282.05 = 546,704.30/x
  3. Step 3: Cross multiply
    860,854.70x = 1,291,282.05 × 546,704.30
  4. Step 4: Simplify right side
    860,854.70x = 705,949,449,247.82
  5. Step 5: Solve for x
    x = 705,949,449,247.82/860,854.70
  6. Step 6: Final answer
    x = 820,056.45

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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.