Home / 753,210.20-1,129,813.07-619,812.92

Finding the Fourth Proportional to 753,210.20, 1,129,813.07 and 619,812.92

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Solution

The fourth proportional to 753,210.20, 1,129,813.07 and 619,812.92 is: 929,717.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,210.20 : 1,129,813.07 = 619,812.92 : x
  2. Step 2: Convert to fraction form
    753,210.20/1,129,813.07 = 619,812.92/x
  3. Step 3: Cross multiply
    753,210.20x = 1,129,813.07 × 619,812.92
  4. Step 4: Simplify right side
    753,210.20x = 700,272,729,222.74
  5. Step 5: Solve for x
    x = 700,272,729,222.74/753,210.20
  6. Step 6: Final answer
    x = 929,717.54

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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.