Home / 947,785.50-1,421,902.89-282,954.78

Finding the Fourth Proportional to 947,785.50, 1,421,902.89 and 282,954.78

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Solution

The fourth proportional to 947,785.50, 1,421,902.89 and 282,954.78 is: 424,499.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,785.50 : 1,421,902.89 = 282,954.78 : x
  2. Step 2: Convert to fraction form
    947,785.50/1,421,902.89 = 282,954.78/x
  3. Step 3: Cross multiply
    947,785.50x = 1,421,902.89 × 282,954.78
  4. Step 4: Simplify right side
    947,785.50x = 402,334,219,421.31
  5. Step 5: Solve for x
    x = 402,334,219,421.31/947,785.50
  6. Step 6: Final answer
    x = 424,499.23

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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.