Home / 772,661.40-1,158,992.10-716,674.20

Finding the Fourth Proportional to 772,661.40, 1,158,992.10 and 716,674.20

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Solution

The fourth proportional to 772,661.40, 1,158,992.10 and 716,674.20 is: 1,075,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,661.40 : 1,158,992.10 = 716,674.20 : x
  2. Step 2: Convert to fraction form
    772,661.40/1,158,992.10 = 716,674.20/x
  3. Step 3: Cross multiply
    772,661.40x = 1,158,992.10 × 716,674.20
  4. Step 4: Simplify right side
    772,661.40x = 830,619,736,073.82
  5. Step 5: Solve for x
    x = 830,619,736,073.82/772,661.40
  6. Step 6: Final answer
    x = 1,075,011.30

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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.