Home / 750,500.77-1,035,691.50-410,969.02

Finding the Fourth Proportional to 750,500.77, 1,035,691.50 and 410,969.02

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Solution

The fourth proportional to 750,500.77, 1,035,691.50 and 410,969.02 is: 567,137.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,500.77 : 1,035,691.50 = 410,969.02 : x
  2. Step 2: Convert to fraction form
    750,500.77/1,035,691.50 = 410,969.02/x
  3. Step 3: Cross multiply
    750,500.77x = 1,035,691.50 × 410,969.02
  4. Step 4: Simplify right side
    750,500.77x = 425,637,120,777.33
  5. Step 5: Solve for x
    x = 425,637,120,777.33/750,500.77
  6. Step 6: Final answer
    x = 567,137.49

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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.