Home / 638,492.04-881,158.68-352,011.66

Finding the Fourth Proportional to 638,492.04, 881,158.68 and 352,011.66

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Solution

The fourth proportional to 638,492.04, 881,158.68 and 352,011.66 is: 485,797.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,492.04 : 881,158.68 = 352,011.66 : x
  2. Step 2: Convert to fraction form
    638,492.04/881,158.68 = 352,011.66/x
  3. Step 3: Cross multiply
    638,492.04x = 881,158.68 × 352,011.66
  4. Step 4: Simplify right side
    638,492.04x = 310,178,129,670.21
  5. Step 5: Solve for x
    x = 310,178,129,670.21/638,492.04
  6. Step 6: Final answer
    x = 485,797.96

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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.