Home / 572,678.28-790,305.57-314,579.16

Finding the Fourth Proportional to 572,678.28, 790,305.57 and 314,579.16

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Solution

The fourth proportional to 572,678.28, 790,305.57 and 314,579.16 is: 434,124.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,678.28 : 790,305.57 = 314,579.16 : x
  2. Step 2: Convert to fraction form
    572,678.28/790,305.57 = 314,579.16/x
  3. Step 3: Cross multiply
    572,678.28x = 790,305.57 × 314,579.16
  4. Step 4: Simplify right side
    572,678.28x = 248,613,662,353.92
  5. Step 5: Solve for x
    x = 248,613,662,353.92/572,678.28
  6. Step 6: Final answer
    x = 434,124.48

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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.