Home / 637,561.68-879,835.02-351,081.06

Finding the Fourth Proportional to 637,561.68, 879,835.02 and 351,081.06

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Solution

The fourth proportional to 637,561.68, 879,835.02 and 351,081.06 is: 484,491.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,561.68 : 879,835.02 = 351,081.06 : x
  2. Step 2: Convert to fraction form
    637,561.68/879,835.02 = 351,081.06/x
  3. Step 3: Cross multiply
    637,561.68x = 879,835.02 × 351,081.06
  4. Step 4: Simplify right side
    637,561.68x = 308,893,411,446.72
  5. Step 5: Solve for x
    x = 308,893,411,446.72/637,561.68
  6. Step 6: Final answer
    x = 484,491.81

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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.