Home / 837,346.68-1,255,451.64-426,005.04

Finding the Fourth Proportional to 837,346.68, 1,255,451.64 and 426,005.04

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Solution

The fourth proportional to 837,346.68, 1,255,451.64 and 426,005.04 is: 638,718.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,346.68 : 1,255,451.64 = 426,005.04 : x
  2. Step 2: Convert to fraction form
    837,346.68/1,255,451.64 = 426,005.04/x
  3. Step 3: Cross multiply
    837,346.68x = 1,255,451.64 × 426,005.04
  4. Step 4: Simplify right side
    837,346.68x = 534,828,726,116.27
  5. Step 5: Solve for x
    x = 534,828,726,116.27/837,346.68
  6. Step 6: Final answer
    x = 638,718.39

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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.