Home / 835,447.87-1,152,720.52-472,871.77

Finding the Fourth Proportional to 835,447.87, 1,152,720.52 and 472,871.77

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Solution

The fourth proportional to 835,447.87, 1,152,720.52 and 472,871.77 is: 652,451.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,447.87 : 1,152,720.52 = 472,871.77 : x
  2. Step 2: Convert to fraction form
    835,447.87/1,152,720.52 = 472,871.77/x
  3. Step 3: Cross multiply
    835,447.87x = 1,152,720.52 × 472,871.77
  4. Step 4: Simplify right side
    835,447.87x = 545,088,995,027.79
  5. Step 5: Solve for x
    x = 545,088,995,027.79/835,447.87
  6. Step 6: Final answer
    x = 652,451.23

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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.