Home / 885,370.45-1,328,391.02-530,639.05

Finding the Fourth Proportional to 885,370.45, 1,328,391.02 and 530,639.05

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Solution

The fourth proportional to 885,370.45, 1,328,391.02 and 530,639.05 is: 796,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,370.45 : 1,328,391.02 = 530,639.05 : x
  2. Step 2: Convert to fraction form
    885,370.45/1,328,391.02 = 530,639.05/x
  3. Step 3: Cross multiply
    885,370.45x = 1,328,391.02 × 530,639.05
  4. Step 4: Simplify right side
    885,370.45x = 704,896,148,881.33
  5. Step 5: Solve for x
    x = 704,896,148,881.33/885,370.45
  6. Step 6: Final answer
    x = 796,159.56

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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.