Home / 916,032.78-1,373,384.86-615,768.62

Finding the Fourth Proportional to 916,032.78, 1,373,384.86 and 615,768.62

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Solution

The fourth proportional to 916,032.78, 1,373,384.86 and 615,768.62 is: 923,206.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,032.78 : 1,373,384.86 = 615,768.62 : x
  2. Step 2: Convert to fraction form
    916,032.78/1,373,384.86 = 615,768.62/x
  3. Step 3: Cross multiply
    916,032.78x = 1,373,384.86 × 615,768.62
  4. Step 4: Simplify right side
    916,032.78x = 845,687,291,564.75
  5. Step 5: Solve for x
    x = 845,687,291,564.75/916,032.78
  6. Step 6: Final answer
    x = 923,206.36

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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.