Home / 875,362.73-1,312,672.14-342,799.07

Finding the Fourth Proportional to 875,362.73, 1,312,672.14 and 342,799.07

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Solution

The fourth proportional to 875,362.73, 1,312,672.14 and 342,799.07 is: 514,052.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,362.73 : 1,312,672.14 = 342,799.07 : x
  2. Step 2: Convert to fraction form
    875,362.73/1,312,672.14 = 342,799.07/x
  3. Step 3: Cross multiply
    875,362.73x = 1,312,672.14 × 342,799.07
  4. Step 4: Simplify right side
    875,362.73x = 449,982,782,243.55
  5. Step 5: Solve for x
    x = 449,982,782,243.55/875,362.73
  6. Step 6: Final answer
    x = 514,052.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.