Home / 716,947.80-1,075,421.70-681,955.80

Finding the Fourth Proportional to 716,947.80, 1,075,421.70 and 681,955.80

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Solution

The fourth proportional to 716,947.80, 1,075,421.70 and 681,955.80 is: 1,022,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,947.80 : 1,075,421.70 = 681,955.80 : x
  2. Step 2: Convert to fraction form
    716,947.80/1,075,421.70 = 681,955.80/x
  3. Step 3: Cross multiply
    716,947.80x = 1,075,421.70 × 681,955.80
  4. Step 4: Simplify right side
    716,947.80x = 733,390,065,760.86
  5. Step 5: Solve for x
    x = 733,390,065,760.86/716,947.80
  6. Step 6: Final answer
    x = 1,022,933.70

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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.