Home / 560,024.20-839,960.70-223,312.60

Finding the Fourth Proportional to 560,024.20, 839,960.70 and 223,312.60

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Solution

The fourth proportional to 560,024.20, 839,960.70 and 223,312.60 is: 334,938.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,024.20 : 839,960.70 = 223,312.60 : x
  2. Step 2: Convert to fraction form
    560,024.20/839,960.70 = 223,312.60/x
  3. Step 3: Cross multiply
    560,024.20x = 839,960.70 × 223,312.60
  4. Step 4: Simplify right side
    560,024.20x = 187,573,807,814.82
  5. Step 5: Solve for x
    x = 187,573,807,814.82/560,024.20
  6. Step 6: Final answer
    x = 334,938.75

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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.