Home / 730,460.02-1,008,015.49-408,172.77

Finding the Fourth Proportional to 730,460.02, 1,008,015.49 and 408,172.77

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Solution

The fourth proportional to 730,460.02, 1,008,015.49 and 408,172.77 is: 563,267.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,460.02 : 1,008,015.49 = 408,172.77 : x
  2. Step 2: Convert to fraction form
    730,460.02/1,008,015.49 = 408,172.77/x
  3. Step 3: Cross multiply
    730,460.02x = 1,008,015.49 × 408,172.77
  4. Step 4: Simplify right side
    730,460.02x = 411,444,467,675.27
  5. Step 5: Solve for x
    x = 411,444,467,675.27/730,460.02
  6. Step 6: Final answer
    x = 563,267.61

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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.