Home / 709,197.12-1,063,970.88-210,560.64

Finding the Fourth Proportional to 709,197.12, 1,063,970.88 and 210,560.64

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Solution

The fourth proportional to 709,197.12, 1,063,970.88 and 210,560.64 is: 315,892.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,197.12 : 1,063,970.88 = 210,560.64 : x
  2. Step 2: Convert to fraction form
    709,197.12/1,063,970.88 = 210,560.64/x
  3. Step 3: Cross multiply
    709,197.12x = 1,063,970.88 × 210,560.64
  4. Step 4: Simplify right side
    709,197.12x = 224,030,389,434.16
  5. Step 5: Solve for x
    x = 224,030,389,434.16/709,197.12
  6. Step 6: Final answer
    x = 315,892.98

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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.