Home / 786,737.60-1,179,231.60-432,006.20

Finding the Fourth Proportional to 786,737.60, 1,179,231.60 and 432,006.20

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Solution

The fourth proportional to 786,737.60, 1,179,231.60 and 432,006.20 is: 647,528.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,737.60 : 1,179,231.60 = 432,006.20 : x
  2. Step 2: Convert to fraction form
    786,737.60/1,179,231.60 = 432,006.20/x
  3. Step 3: Cross multiply
    786,737.60x = 1,179,231.60 × 432,006.20
  4. Step 4: Simplify right side
    786,737.60x = 509,435,362,435.92
  5. Step 5: Solve for x
    x = 509,435,362,435.92/786,737.60
  6. Step 6: Final answer
    x = 647,528.94

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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.