Home / 782,038.32-1,079,182.99-437,842.05

Finding the Fourth Proportional to 782,038.32, 1,079,182.99 and 437,842.05

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Solution

The fourth proportional to 782,038.32, 1,079,182.99 and 437,842.05 is: 604,205.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,038.32 : 1,079,182.99 = 437,842.05 : x
  2. Step 2: Convert to fraction form
    782,038.32/1,079,182.99 = 437,842.05/x
  3. Step 3: Cross multiply
    782,038.32x = 1,079,182.99 × 437,842.05
  4. Step 4: Simplify right side
    782,038.32x = 472,511,686,704.23
  5. Step 5: Solve for x
    x = 472,511,686,704.23/782,038.32
  6. Step 6: Final answer
    x = 604,205.29

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1.5x scale

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.