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Finding the Fourth Proportional to 637,765.51, 880,116.33 and 351,285.59

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Solution

The fourth proportional to 637,765.51, 880,116.33 and 351,285.59 is: 484,774.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,765.51 : 880,116.33 = 351,285.59 : x
  2. Step 2: Convert to fraction form
    637,765.51/880,116.33 = 351,285.59/x
  3. Step 3: Cross multiply
    637,765.51x = 880,116.33 × 351,285.59
  4. Step 4: Simplify right side
    637,765.51x = 309,172,184,252.69
  5. Step 5: Solve for x
    x = 309,172,184,252.69/637,765.51
  6. Step 6: Final answer
    x = 484,774.07

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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.