Home / 716,723.50-1,075,061.40-211,292.86

Finding the Fourth Proportional to 716,723.50, 1,075,061.40 and 211,292.86

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Solution

The fourth proportional to 716,723.50, 1,075,061.40 and 211,292.86 is: 316,932.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,723.50 : 1,075,061.40 = 211,292.86 : x
  2. Step 2: Convert to fraction form
    716,723.50/1,075,061.40 = 211,292.86/x
  3. Step 3: Cross multiply
    716,723.50x = 1,075,061.40 × 211,292.86
  4. Step 4: Simplify right side
    716,723.50x = 227,152,797,881.60
  5. Step 5: Solve for x
    x = 227,152,797,881.60/716,723.50
  6. Step 6: Final answer
    x = 316,932.26

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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.