Home / 917,340.80-1,374,844.80-443,004.80

Finding the Fourth Proportional to 917,340.80, 1,374,844.80 and 443,004.80

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Solution

The fourth proportional to 917,340.80, 1,374,844.80 and 443,004.80 is: 663,943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,340.80 : 1,374,844.80 = 443,004.80 : x
  2. Step 2: Convert to fraction form
    917,340.80/1,374,844.80 = 443,004.80/x
  3. Step 3: Cross multiply
    917,340.80x = 1,374,844.80 × 443,004.80
  4. Step 4: Simplify right side
    917,340.80x = 609,062,845,655.04
  5. Step 5: Solve for x
    x = 609,062,845,655.04/917,340.80
  6. Step 6: Final answer
    x = 663,943.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.