Home / 637,742.60-880,090.76-351,263.72

Finding the Fourth Proportional to 637,742.60, 880,090.76 and 351,263.72

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Solution

The fourth proportional to 637,742.60, 880,090.76 and 351,263.72 is: 484,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,742.60 : 880,090.76 = 351,263.72 : x
  2. Step 2: Convert to fraction form
    637,742.60/880,090.76 = 351,263.72/x
  3. Step 3: Cross multiply
    637,742.60x = 880,090.76 × 351,263.72
  4. Step 4: Simplify right side
    637,742.60x = 309,143,954,295.23
  5. Step 5: Solve for x
    x = 309,143,954,295.23/637,742.60
  6. Step 6: Final answer
    x = 484,747.22

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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.