Home / 730,406.01-1,007,941.41-408,118.77

Finding the Fourth Proportional to 730,406.01, 1,007,941.41 and 408,118.77

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Solution

The fourth proportional to 730,406.01, 1,007,941.41 and 408,118.77 is: 563,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,406.01 : 1,007,941.41 = 408,118.77 : x
  2. Step 2: Convert to fraction form
    730,406.01/1,007,941.41 = 408,118.77/x
  3. Step 3: Cross multiply
    730,406.01x = 1,007,941.41 × 408,118.77
  4. Step 4: Simplify right side
    730,406.01x = 411,359,808,481.27
  5. Step 5: Solve for x
    x = 411,359,808,481.27/730,406.01
  6. Step 6: Final answer
    x = 563,193.35

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Double scale
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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.