Home / 730,477.34-1,008,039.93-408,190.08

Finding the Fourth Proportional to 730,477.34, 1,008,039.93 and 408,190.08

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Solution

The fourth proportional to 730,477.34, 1,008,039.93 and 408,190.08 is: 563,291.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,477.34 : 1,008,039.93 = 408,190.08 : x
  2. Step 2: Convert to fraction form
    730,477.34/1,008,039.93 = 408,190.08/x
  3. Step 3: Cross multiply
    730,477.34x = 1,008,039.93 × 408,190.08
  4. Step 4: Simplify right side
    730,477.34x = 411,471,899,669.89
  5. Step 5: Solve for x
    x = 411,471,899,669.89/730,477.34
  6. Step 6: Final answer
    x = 563,291.81

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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.