Home / 572,219.92-789,653.64-317,581.84

Finding the Fourth Proportional to 572,219.92, 789,653.64 and 317,581.84

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Solution

The fourth proportional to 572,219.92, 789,653.64 and 317,581.84 is: 438,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,219.92 : 789,653.64 = 317,581.84 : x
  2. Step 2: Convert to fraction form
    572,219.92/789,653.64 = 317,581.84/x
  3. Step 3: Cross multiply
    572,219.92x = 789,653.64 × 317,581.84
  4. Step 4: Simplify right side
    572,219.92x = 250,779,655,953.90
  5. Step 5: Solve for x
    x = 250,779,655,953.90/572,219.92
  6. Step 6: Final answer
    x = 438,257.47

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1.5x scale

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.