Home / 851,259.77-1,277,265.80-446,355.28

Finding the Fourth Proportional to 851,259.77, 1,277,265.80 and 446,355.28

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Solution

The fourth proportional to 851,259.77, 1,277,265.80 and 446,355.28 is: 669,730.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,259.77 : 1,277,265.80 = 446,355.28 : x
  2. Step 2: Convert to fraction form
    851,259.77/1,277,265.80 = 446,355.28/x
  3. Step 3: Cross multiply
    851,259.77x = 1,277,265.80 × 446,355.28
  4. Step 4: Simplify right side
    851,259.77x = 570,114,333,793.42
  5. Step 5: Solve for x
    x = 570,114,333,793.42/851,259.77
  6. Step 6: Final answer
    x = 669,730.15

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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.