Home / 486,984.04-672,025.07-272,125.87

Finding the Fourth Proportional to 486,984.04, 672,025.07 and 272,125.87

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Solution

The fourth proportional to 486,984.04, 672,025.07 and 272,125.87 is: 375,526.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,984.04 : 672,025.07 = 272,125.87 : x
  2. Step 2: Convert to fraction form
    486,984.04/672,025.07 = 272,125.87/x
  3. Step 3: Cross multiply
    486,984.04x = 672,025.07 × 272,125.87
  4. Step 4: Simplify right side
    486,984.04x = 182,875,405,835.81
  5. Step 5: Solve for x
    x = 182,875,405,835.81/486,984.04
  6. Step 6: Final answer
    x = 375,526.49

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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.