Home / 527,015.64-788,973.12-326,692.92

Finding the Fourth Proportional to 527,015.64, 788,973.12 and 326,692.92

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Solution

The fourth proportional to 527,015.64, 788,973.12 and 326,692.92 is: 489,078.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,015.64 : 788,973.12 = 326,692.92 : x
  2. Step 2: Convert to fraction form
    527,015.64/788,973.12 = 326,692.92/x
  3. Step 3: Cross multiply
    527,015.64x = 788,973.12 × 326,692.92
  4. Step 4: Simplify right side
    527,015.64x = 257,751,932,374.31
  5. Step 5: Solve for x
    x = 257,751,932,374.31/527,015.64
  6. Step 6: Final answer
    x = 489,078.34

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1.5x scale

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.