Home / 674,921.25-931,410.77-373,134.69

Finding the Fourth Proportional to 674,921.25, 931,410.77 and 373,134.69

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Solution

The fourth proportional to 674,921.25, 931,410.77 and 373,134.69 is: 514,936.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,921.25 : 931,410.77 = 373,134.69 : x
  2. Step 2: Convert to fraction form
    674,921.25/931,410.77 = 373,134.69/x
  3. Step 3: Cross multiply
    674,921.25x = 931,410.77 × 373,134.69
  4. Step 4: Simplify right side
    674,921.25x = 347,541,668,926.61
  5. Step 5: Solve for x
    x = 347,541,668,926.61/674,921.25
  6. Step 6: Final answer
    x = 514,936.62

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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.