Home / 716,720.02-1,075,056.10-211,289.33

Finding the Fourth Proportional to 716,720.02, 1,075,056.10 and 211,289.33

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Solution

The fourth proportional to 716,720.02, 1,075,056.10 and 211,289.33 is: 316,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,720.02 : 1,075,056.10 = 211,289.33 : x
  2. Step 2: Convert to fraction form
    716,720.02/1,075,056.10 = 211,289.33/x
  3. Step 3: Cross multiply
    716,720.02x = 1,075,056.10 × 211,289.33
  4. Step 4: Simplify right side
    716,720.02x = 227,147,883,081.41
  5. Step 5: Solve for x
    x = 227,147,883,081.41/716,720.02
  6. Step 6: Final answer
    x = 316,926.94

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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.