Home / 764,206.12-1,054,630.02-424,688.68

Finding the Fourth Proportional to 764,206.12, 1,054,630.02 and 424,688.68

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Solution

The fourth proportional to 764,206.12, 1,054,630.02 and 424,688.68 is: 586,084.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,206.12 : 1,054,630.02 = 424,688.68 : x
  2. Step 2: Convert to fraction form
    764,206.12/1,054,630.02 = 424,688.68/x
  3. Step 3: Cross multiply
    764,206.12x = 1,054,630.02 × 424,688.68
  4. Step 4: Simplify right side
    764,206.12x = 447,889,431,082.17
  5. Step 5: Solve for x
    x = 447,889,431,082.17/764,206.12
  6. Step 6: Final answer
    x = 586,084.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.