Home / 527,009.64-788,964.12-326,686.92

Finding the Fourth Proportional to 527,009.64, 788,964.12 and 326,686.92

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Solution

The fourth proportional to 527,009.64, 788,964.12 and 326,686.92 is: 489,069.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,009.64 : 788,964.12 = 326,686.92 : x
  2. Step 2: Convert to fraction form
    527,009.64/788,964.12 = 326,686.92/x
  3. Step 3: Cross multiply
    527,009.64x = 788,964.12 × 326,686.92
  4. Step 4: Simplify right side
    527,009.64x = 257,744,258,353.31
  5. Step 5: Solve for x
    x = 257,744,258,353.31/527,009.64
  6. Step 6: Final answer
    x = 489,069.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.