Home / 875,008.72-1,312,541.34-275,975.56

Finding the Fourth Proportional to 875,008.72, 1,312,541.34 and 275,975.56

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Solution

The fourth proportional to 875,008.72, 1,312,541.34 and 275,975.56 is: 413,972.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,008.72 : 1,312,541.34 = 275,975.56 : x
  2. Step 2: Convert to fraction form
    875,008.72/1,312,541.34 = 275,975.56/x
  3. Step 3: Cross multiply
    875,008.72x = 1,312,541.34 × 275,975.56
  4. Step 4: Simplify right side
    875,008.72x = 362,229,331,329.65
  5. Step 5: Solve for x
    x = 362,229,331,329.65/875,008.72
  6. Step 6: Final answer
    x = 413,972.25

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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.