Home / 730,274.57-1,007,826.20-407,986.40

Finding the Fourth Proportional to 730,274.57, 1,007,826.20 and 407,986.40

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Solution

The fourth proportional to 730,274.57, 1,007,826.20 and 407,986.40 is: 563,047.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,274.57 : 1,007,826.20 = 407,986.40 : x
  2. Step 2: Convert to fraction form
    730,274.57/1,007,826.20 = 407,986.40/x
  3. Step 3: Cross multiply
    730,274.57x = 1,007,826.20 × 407,986.40
  4. Step 4: Simplify right side
    730,274.57x = 411,179,385,173.26
  5. Step 5: Solve for x
    x = 411,179,385,173.26/730,274.57
  6. Step 6: Final answer
    x = 563,047.66

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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.