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Finding the Fourth Proportional to 571,502.31, 788,698.79 and 326,508.49

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Solution

The fourth proportional to 571,502.31, 788,698.79 and 326,508.49 is: 450,596.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,502.31 : 788,698.79 = 326,508.49 : x
  2. Step 2: Convert to fraction form
    571,502.31/788,698.79 = 326,508.49/x
  3. Step 3: Cross multiply
    571,502.31x = 788,698.79 × 326,508.49
  4. Step 4: Simplify right side
    571,502.31x = 257,516,849,355.19
  5. Step 5: Solve for x
    x = 257,516,849,355.19/571,502.31
  6. Step 6: Final answer
    x = 450,596.34

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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.