Home / 748,001.46-1,032,330.62-421,325.22

Finding the Fourth Proportional to 748,001.46, 1,032,330.62 and 421,325.22

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Solution

The fourth proportional to 748,001.46, 1,032,330.62 and 421,325.22 is: 581,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,001.46 : 1,032,330.62 = 421,325.22 : x
  2. Step 2: Convert to fraction form
    748,001.46/1,032,330.62 = 421,325.22/x
  3. Step 3: Cross multiply
    748,001.46x = 1,032,330.62 × 421,325.22
  4. Step 4: Simplify right side
    748,001.46x = 434,946,925,584.24
  5. Step 5: Solve for x
    x = 434,946,925,584.24/748,001.46
  6. Step 6: Final answer
    x = 581,478.71

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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.