Home / 637,741.53-880,123.23-351,261.54

Finding the Fourth Proportional to 637,741.53, 880,123.23 and 351,261.54

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Solution

The fourth proportional to 637,741.53, 880,123.23 and 351,261.54 is: 484,762.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,741.53 : 880,123.23 = 351,261.54 : x
  2. Step 2: Convert to fraction form
    637,741.53/880,123.23 = 351,261.54/x
  3. Step 3: Cross multiply
    637,741.53x = 880,123.23 × 351,261.54
  4. Step 4: Simplify right side
    637,741.53x = 309,153,441,159.57
  5. Step 5: Solve for x
    x = 309,153,441,159.57/637,741.53
  6. Step 6: Final answer
    x = 484,762.91

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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.