Home / 809,576.73-1,117,314.27-470,044.98

Finding the Fourth Proportional to 809,576.73, 1,117,314.27 and 470,044.98

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Solution

The fourth proportional to 809,576.73, 1,117,314.27 and 470,044.98 is: 648,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,576.73 : 1,117,314.27 = 470,044.98 : x
  2. Step 2: Convert to fraction form
    809,576.73/1,117,314.27 = 470,044.98/x
  3. Step 3: Cross multiply
    809,576.73x = 1,117,314.27 × 470,044.98
  4. Step 4: Simplify right side
    809,576.73x = 525,187,963,695.87
  5. Step 5: Solve for x
    x = 525,187,963,695.87/809,576.73
  6. Step 6: Final answer
    x = 648,719.19

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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.