Home / 774,715.02-1,162,139.55-213,749.46

Finding the Fourth Proportional to 774,715.02, 1,162,139.55 and 213,749.46

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Solution

The fourth proportional to 774,715.02, 1,162,139.55 and 213,749.46 is: 320,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,715.02 : 1,162,139.55 = 213,749.46 : x
  2. Step 2: Convert to fraction form
    774,715.02/1,162,139.55 = 213,749.46/x
  3. Step 3: Cross multiply
    774,715.02x = 1,162,139.55 × 213,749.46
  4. Step 4: Simplify right side
    774,715.02x = 248,406,701,257.14
  5. Step 5: Solve for x
    x = 248,406,701,257.14/774,715.02
  6. Step 6: Final answer
    x = 320,642.68

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1.5x scale

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.