Home / 747,004.68-1,030,849.70-407,485.08

Finding the Fourth Proportional to 747,004.68, 1,030,849.70 and 407,485.08

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Solution

The fourth proportional to 747,004.68, 1,030,849.70 and 407,485.08 is: 562,320.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,004.68 : 1,030,849.70 = 407,485.08 : x
  2. Step 2: Convert to fraction form
    747,004.68/1,030,849.70 = 407,485.08/x
  3. Step 3: Cross multiply
    747,004.68x = 1,030,849.70 × 407,485.08
  4. Step 4: Simplify right side
    747,004.68x = 420,055,872,472.48
  5. Step 5: Solve for x
    x = 420,055,872,472.48/747,004.68
  6. Step 6: Final answer
    x = 562,320.27

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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.