Home / 730,811.60-1,008,525.48-408,534.80

Finding the Fourth Proportional to 730,811.60, 1,008,525.48 and 408,534.80

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Solution

The fourth proportional to 730,811.60, 1,008,525.48 and 408,534.80 is: 563,781.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,811.60 : 1,008,525.48 = 408,534.80 : x
  2. Step 2: Convert to fraction form
    730,811.60/1,008,525.48 = 408,534.80/x
  3. Step 3: Cross multiply
    730,811.60x = 1,008,525.48 × 408,534.80
  4. Step 4: Simplify right side
    730,811.60x = 412,017,755,266.70
  5. Step 5: Solve for x
    x = 412,017,755,266.70/730,811.60
  6. Step 6: Final answer
    x = 563,781.08

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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.