Home / 783,690.94-1,174,552.52-423,847.45

Finding the Fourth Proportional to 783,690.94, 1,174,552.52 and 423,847.45

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Solution

The fourth proportional to 783,690.94, 1,174,552.52 and 423,847.45 is: 635,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,690.94 : 1,174,552.52 = 423,847.45 : x
  2. Step 2: Convert to fraction form
    783,690.94/1,174,552.52 = 423,847.45/x
  3. Step 3: Cross multiply
    783,690.94x = 1,174,552.52 × 423,847.45
  4. Step 4: Simplify right side
    783,690.94x = 497,831,088,616.31
  5. Step 5: Solve for x
    x = 497,831,088,616.31/783,690.94
  6. Step 6: Final answer
    x = 635,239.05

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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.