Home / 572,979.60-790,711.68-314,873.16

Finding the Fourth Proportional to 572,979.60, 790,711.68 and 314,873.16

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Solution

The fourth proportional to 572,979.60, 790,711.68 and 314,873.16 is: 434,524.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,979.60 : 790,711.68 = 314,873.16 : x
  2. Step 2: Convert to fraction form
    572,979.60/790,711.68 = 314,873.16/x
  3. Step 3: Cross multiply
    572,979.60x = 790,711.68 × 314,873.16
  4. Step 4: Simplify right side
    572,979.60x = 248,973,885,330.51
  5. Step 5: Solve for x
    x = 248,973,885,330.51/572,979.60
  6. Step 6: Final answer
    x = 434,524.87

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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.