Home / 637,941.15-880,359.62-347,551.29

Finding the Fourth Proportional to 637,941.15, 880,359.62 and 347,551.29

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Solution

The fourth proportional to 637,941.15, 880,359.62 and 347,551.29 is: 479,621.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,941.15 : 880,359.62 = 347,551.29 : x
  2. Step 2: Convert to fraction form
    637,941.15/880,359.62 = 347,551.29/x
  3. Step 3: Cross multiply
    637,941.15x = 880,359.62 × 347,551.29
  4. Step 4: Simplify right side
    637,941.15x = 305,970,119,857.15
  5. Step 5: Solve for x
    x = 305,970,119,857.15/637,941.15
  6. Step 6: Final answer
    x = 479,621.23

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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.