Home / 755,997.77-1,133,426.32-456,407.12

Finding the Fourth Proportional to 755,997.77, 1,133,426.32 and 456,407.12

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Solution

The fourth proportional to 755,997.77, 1,133,426.32 and 456,407.12 is: 684,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,997.77 : 1,133,426.32 = 456,407.12 : x
  2. Step 2: Convert to fraction form
    755,997.77/1,133,426.32 = 456,407.12/x
  3. Step 3: Cross multiply
    755,997.77x = 1,133,426.32 × 456,407.12
  4. Step 4: Simplify right side
    755,997.77x = 517,303,844,135.95
  5. Step 5: Solve for x
    x = 517,303,844,135.95/755,997.77
  6. Step 6: Final answer
    x = 684,266.36

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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.