Home / 637,569.15-879,845.43-351,088.57

Finding the Fourth Proportional to 637,569.15, 879,845.43 and 351,088.57

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Solution

The fourth proportional to 637,569.15, 879,845.43 and 351,088.57 is: 484,502.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,569.15 : 879,845.43 = 351,088.57 : x
  2. Step 2: Convert to fraction form
    637,569.15/879,845.43 = 351,088.57/x
  3. Step 3: Cross multiply
    637,569.15x = 879,845.43 × 351,088.57
  4. Step 4: Simplify right side
    637,569.15x = 308,903,673,839.74
  5. Step 5: Solve for x
    x = 308,903,673,839.74/637,569.15
  6. Step 6: Final answer
    x = 484,502.23

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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.