Home / 825,724.99-1,139,510.05-458,209.67

Finding the Fourth Proportional to 825,724.99, 1,139,510.05 and 458,209.67

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Solution

The fourth proportional to 825,724.99, 1,139,510.05 and 458,209.67 is: 632,334.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,724.99 : 1,139,510.05 = 458,209.67 : x
  2. Step 2: Convert to fraction form
    825,724.99/1,139,510.05 = 458,209.67/x
  3. Step 3: Cross multiply
    825,724.99x = 1,139,510.05 × 458,209.67
  4. Step 4: Simplify right side
    825,724.99x = 522,134,523,972.18
  5. Step 5: Solve for x
    x = 522,134,523,972.18/825,724.99
  6. Step 6: Final answer
    x = 632,334.65

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1.5x scale

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.