Home / 730,470.85-1,008,030.42-408,183.59

Finding the Fourth Proportional to 730,470.85, 1,008,030.42 and 408,183.59

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Solution

The fourth proportional to 730,470.85, 1,008,030.42 and 408,183.59 is: 563,282.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,470.85 : 1,008,030.42 = 408,183.59 : x
  2. Step 2: Convert to fraction form
    730,470.85/1,008,030.42 = 408,183.59/x
  3. Step 3: Cross multiply
    730,470.85x = 1,008,030.42 × 408,183.59
  4. Step 4: Simplify right side
    730,470.85x = 411,461,475,664.81
  5. Step 5: Solve for x
    x = 411,461,475,664.81/730,470.85
  6. Step 6: Final answer
    x = 563,282.54

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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.