Home / 560,011.20-839,919.60-204,842.40

Finding the Fourth Proportional to 560,011.20, 839,919.60 and 204,842.40

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Solution

The fourth proportional to 560,011.20, 839,919.60 and 204,842.40 is: 307,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,011.20 : 839,919.60 = 204,842.40 : x
  2. Step 2: Convert to fraction form
    560,011.20/839,919.60 = 204,842.40/x
  3. Step 3: Cross multiply
    560,011.20x = 839,919.60 × 204,842.40
  4. Step 4: Simplify right side
    560,011.20x = 172,051,146,671.04
  5. Step 5: Solve for x
    x = 172,051,146,671.04/560,011.20
  6. Step 6: Final answer
    x = 307,228.05

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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.