Home / 859,492.04-1,288,873.54-409,692.56

Finding the Fourth Proportional to 859,492.04, 1,288,873.54 and 409,692.56

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Solution

The fourth proportional to 859,492.04, 1,288,873.54 and 409,692.56 is: 614,365.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,492.04 : 1,288,873.54 = 409,692.56 : x
  2. Step 2: Convert to fraction form
    859,492.04/1,288,873.54 = 409,692.56/x
  3. Step 3: Cross multiply
    859,492.04x = 1,288,873.54 × 409,692.56
  4. Step 4: Simplify right side
    859,492.04x = 528,041,900,118.86
  5. Step 5: Solve for x
    x = 528,041,900,118.86/859,492.04
  6. Step 6: Final answer
    x = 614,365.08

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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.