Home / 919,427.99-1,268,985.38-575,423.83

Finding the Fourth Proportional to 919,427.99, 1,268,985.38 and 575,423.83

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Solution

The fourth proportional to 919,427.99, 1,268,985.38 and 575,423.83 is: 794,194.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,427.99 : 1,268,985.38 = 575,423.83 : x
  2. Step 2: Convert to fraction form
    919,427.99/1,268,985.38 = 575,423.83/x
  3. Step 3: Cross multiply
    919,427.99x = 1,268,985.38 × 575,423.83
  4. Step 4: Simplify right side
    919,427.99x = 730,204,427,573.61
  5. Step 5: Solve for x
    x = 730,204,427,573.61/919,427.99
  6. Step 6: Final answer
    x = 794,194.26

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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.