Home / 674,917.25-931,405.25-373,130.69

Finding the Fourth Proportional to 674,917.25, 931,405.25 and 373,130.69

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Solution

The fourth proportional to 674,917.25, 931,405.25 and 373,130.69 is: 514,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,917.25 : 931,405.25 = 373,130.69 : x
  2. Step 2: Convert to fraction form
    674,917.25/931,405.25 = 373,130.69/x
  3. Step 3: Cross multiply
    674,917.25x = 931,405.25 × 373,130.69
  4. Step 4: Simplify right side
    674,917.25x = 347,535,881,736.47
  5. Step 5: Solve for x
    x = 347,535,881,736.47/674,917.25
  6. Step 6: Final answer
    x = 514,931.10

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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.