Home / 779,088.76-1,170,688.05-419,525.46

Finding the Fourth Proportional to 779,088.76, 1,170,688.05 and 419,525.46

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Solution

The fourth proportional to 779,088.76, 1,170,688.05 and 419,525.46 is: 630,394.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,088.76 : 1,170,688.05 = 419,525.46 : x
  2. Step 2: Convert to fraction form
    779,088.76/1,170,688.05 = 419,525.46/x
  3. Step 3: Cross multiply
    779,088.76x = 1,170,688.05 × 419,525.46
  4. Step 4: Simplify right side
    779,088.76x = 491,133,442,692.75
  5. Step 5: Solve for x
    x = 491,133,442,692.75/779,088.76
  6. Step 6: Final answer
    x = 630,394.72

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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.