Home / 875,232.40-1,312,330.20-455,328.40

Finding the Fourth Proportional to 875,232.40, 1,312,330.20 and 455,328.40

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Solution

The fourth proportional to 875,232.40, 1,312,330.20 and 455,328.40 is: 682,722.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,232.40 : 1,312,330.20 = 455,328.40 : x
  2. Step 2: Convert to fraction form
    875,232.40/1,312,330.20 = 455,328.40/x
  3. Step 3: Cross multiply
    875,232.40x = 1,312,330.20 × 455,328.40
  4. Step 4: Simplify right side
    875,232.40x = 597,541,210,237.68
  5. Step 5: Solve for x
    x = 597,541,210,237.68/875,232.40
  6. Step 6: Final answer
    x = 682,722.91

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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.