Home / 874,476.93-1,312,463.08-342,371.63

Finding the Fourth Proportional to 874,476.93, 1,312,463.08 and 342,371.63

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Solution

The fourth proportional to 874,476.93, 1,312,463.08 and 342,371.63 is: 513,850.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,476.93 : 1,312,463.08 = 342,371.63 : x
  2. Step 2: Convert to fraction form
    874,476.93/1,312,463.08 = 342,371.63/x
  3. Step 3: Cross multiply
    874,476.93x = 1,312,463.08 × 342,371.63
  4. Step 4: Simplify right side
    874,476.93x = 449,350,127,723.54
  5. Step 5: Solve for x
    x = 449,350,127,723.54/874,476.93
  6. Step 6: Final answer
    x = 513,850.18

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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.