Home / 646,336.63-891,944.55-374,457.07

Finding the Fourth Proportional to 646,336.63, 891,944.55 and 374,457.07

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Solution

The fourth proportional to 646,336.63, 891,944.55 and 374,457.07 is: 516,750.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,336.63 : 891,944.55 = 374,457.07 : x
  2. Step 2: Convert to fraction form
    646,336.63/891,944.55 = 374,457.07/x
  3. Step 3: Cross multiply
    646,336.63x = 891,944.55 × 374,457.07
  4. Step 4: Simplify right side
    646,336.63x = 333,994,940,565.61
  5. Step 5: Solve for x
    x = 333,994,940,565.61/646,336.63
  6. Step 6: Final answer
    x = 516,750.76

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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.