Home / 730,485.02-1,008,049.96-408,197.78

Finding the Fourth Proportional to 730,485.02, 1,008,049.96 and 408,197.78

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Solution

The fourth proportional to 730,485.02, 1,008,049.96 and 408,197.78 is: 563,302.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,485.02 : 1,008,049.96 = 408,197.78 : x
  2. Step 2: Convert to fraction form
    730,485.02/1,008,049.96 = 408,197.78/x
  3. Step 3: Cross multiply
    730,485.02x = 1,008,049.96 × 408,197.78
  4. Step 4: Simplify right side
    730,485.02x = 411,483,755,801.09
  5. Step 5: Solve for x
    x = 411,483,755,801.09/730,485.02
  6. Step 6: Final answer
    x = 563,302.11

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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.