Home / 930,864.47-1,395,586.32-481,298.34

Finding the Fourth Proportional to 930,864.47, 1,395,586.32 and 481,298.34

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Solution

The fourth proportional to 930,864.47, 1,395,586.32 and 481,298.34 is: 721,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,864.47 : 1,395,586.32 = 481,298.34 : x
  2. Step 2: Convert to fraction form
    930,864.47/1,395,586.32 = 481,298.34/x
  3. Step 3: Cross multiply
    930,864.47x = 1,395,586.32 × 481,298.34
  4. Step 4: Simplify right side
    930,864.47x = 671,693,379,142.71
  5. Step 5: Solve for x
    x = 671,693,379,142.71/930,864.47
  6. Step 6: Final answer
    x = 721,580.21

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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.