Home / 945,981.69-1,418,128.56-346,802.92

Finding the Fourth Proportional to 945,981.69, 1,418,128.56 and 346,802.92

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Solution

The fourth proportional to 945,981.69, 1,418,128.56 and 346,802.92 is: 519,894.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,981.69 : 1,418,128.56 = 346,802.92 : x
  2. Step 2: Convert to fraction form
    945,981.69/1,418,128.56 = 346,802.92/x
  3. Step 3: Cross multiply
    945,981.69x = 1,418,128.56 × 346,802.92
  4. Step 4: Simplify right side
    945,981.69x = 491,811,121,998.07
  5. Step 5: Solve for x
    x = 491,811,121,998.07/945,981.69
  6. Step 6: Final answer
    x = 519,894.97

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1.5x scale

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.