Home / 659,985.88-989,995.91-210,706.37

Finding the Fourth Proportional to 659,985.88, 989,995.91 and 210,706.37

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Solution

The fourth proportional to 659,985.88, 989,995.91 and 210,706.37 is: 316,065.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,985.88 : 989,995.91 = 210,706.37 : x
  2. Step 2: Convert to fraction form
    659,985.88/989,995.91 = 210,706.37/x
  3. Step 3: Cross multiply
    659,985.88x = 989,995.91 × 210,706.37
  4. Step 4: Simplify right side
    659,985.88x = 208,598,443,457.42
  5. Step 5: Solve for x
    x = 208,598,443,457.42/659,985.88
  6. Step 6: Final answer
    x = 316,065.01

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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.