Home / 629,367.28-943,205.82-309,030.10

Finding the Fourth Proportional to 629,367.28, 943,205.82 and 309,030.10

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Solution

The fourth proportional to 629,367.28, 943,205.82 and 309,030.10 is: 463,130.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,367.28 : 943,205.82 = 309,030.10 : x
  2. Step 2: Convert to fraction form
    629,367.28/943,205.82 = 309,030.10/x
  3. Step 3: Cross multiply
    629,367.28x = 943,205.82 × 309,030.10
  4. Step 4: Simplify right side
    629,367.28x = 291,478,988,875.18
  5. Step 5: Solve for x
    x = 291,478,988,875.18/629,367.28
  6. Step 6: Final answer
    x = 463,130.19

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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.