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Finding the Fourth Proportional to 637,066.31, 879,151.63 and 350,586.39

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Solution

The fourth proportional to 637,066.31, 879,151.63 and 350,586.39 is: 483,809.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,066.31 : 879,151.63 = 350,586.39 : x
  2. Step 2: Convert to fraction form
    637,066.31/879,151.63 = 350,586.39/x
  3. Step 3: Cross multiply
    637,066.31x = 879,151.63 × 350,586.39
  4. Step 4: Simplify right side
    637,066.31x = 308,218,595,347.85
  5. Step 5: Solve for x
    x = 308,218,595,347.85/637,066.31
  6. Step 6: Final answer
    x = 483,809.29

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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.