Home / 572,054.28-789,434.88-317,407.32

Finding the Fourth Proportional to 572,054.28, 789,434.88 and 317,407.32

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Solution

The fourth proportional to 572,054.28, 789,434.88 and 317,407.32 is: 438,022.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,054.28 : 789,434.88 = 317,407.32 : x
  2. Step 2: Convert to fraction form
    572,054.28/789,434.88 = 317,407.32/x
  3. Step 3: Cross multiply
    572,054.28x = 789,434.88 × 317,407.32
  4. Step 4: Simplify right side
    572,054.28x = 250,572,409,575.32
  5. Step 5: Solve for x
    x = 250,572,409,575.32/572,054.28
  6. Step 6: Final answer
    x = 438,022.09

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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.