Home / 484,985.05-669,047.57-376,814.81

Finding the Fourth Proportional to 484,985.05, 669,047.57 and 376,814.81

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Solution

The fourth proportional to 484,985.05, 669,047.57 and 376,814.81 is: 519,824.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,985.05 : 669,047.57 = 376,814.81 : x
  2. Step 2: Convert to fraction form
    484,985.05/669,047.57 = 376,814.81/x
  3. Step 3: Cross multiply
    484,985.05x = 669,047.57 × 376,814.81
  4. Step 4: Simplify right side
    484,985.05x = 252,107,032,970.51
  5. Step 5: Solve for x
    x = 252,107,032,970.51/484,985.05
  6. Step 6: Final answer
    x = 519,824.34

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1.5x scale

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.