Home / 637,561.13-879,834.35-351,080.53

Finding the Fourth Proportional to 637,561.13, 879,834.35 and 351,080.53

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Solution

The fourth proportional to 637,561.13, 879,834.35 and 351,080.53 is: 484,491.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,561.13 : 879,834.35 = 351,080.53 : x
  2. Step 2: Convert to fraction form
    637,561.13/879,834.35 = 351,080.53/x
  3. Step 3: Cross multiply
    637,561.13x = 879,834.35 × 351,080.53
  4. Step 4: Simplify right side
    637,561.13x = 308,892,708,588.32
  5. Step 5: Solve for x
    x = 308,892,708,588.32/637,561.13
  6. Step 6: Final answer
    x = 484,491.13

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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.