Home / 486,914.04-671,944.77-272,063.16

Finding the Fourth Proportional to 486,914.04, 671,944.77 and 272,063.16

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Solution

The fourth proportional to 486,914.04, 671,944.77 and 272,063.16 is: 375,449.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,914.04 : 671,944.77 = 272,063.16 : x
  2. Step 2: Convert to fraction form
    486,914.04/671,944.77 = 272,063.16/x
  3. Step 3: Cross multiply
    486,914.04x = 671,944.77 × 272,063.16
  4. Step 4: Simplify right side
    486,914.04x = 182,811,417,471.67
  5. Step 5: Solve for x
    x = 182,811,417,471.67/486,914.04
  6. Step 6: Final answer
    x = 375,449.06

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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.