Home / 637,946.82-880,406.28-351,466.83

Finding the Fourth Proportional to 637,946.82, 880,406.28 and 351,466.83

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Solution

The fourth proportional to 637,946.82, 880,406.28 and 351,466.83 is: 485,046.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,946.82 : 880,406.28 = 351,466.83 : x
  2. Step 2: Convert to fraction form
    637,946.82/880,406.28 = 351,466.83/x
  3. Step 3: Cross multiply
    637,946.82x = 880,406.28 × 351,466.83
  4. Step 4: Simplify right side
    637,946.82x = 309,433,604,343.69
  5. Step 5: Solve for x
    x = 309,433,604,343.69/637,946.82
  6. Step 6: Final answer
    x = 485,046.08

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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.