Home / 916,750.90-1,265,096.64-508,828.96

Finding the Fourth Proportional to 916,750.90, 1,265,096.64 and 508,828.96

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Solution

The fourth proportional to 916,750.90, 1,265,096.64 and 508,828.96 is: 702,173.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,750.90 : 1,265,096.64 = 508,828.96 : x
  2. Step 2: Convert to fraction form
    916,750.90/1,265,096.64 = 508,828.96/x
  3. Step 3: Cross multiply
    916,750.90x = 1,265,096.64 × 508,828.96
  4. Step 4: Simplify right side
    916,750.90x = 643,717,807,630.69
  5. Step 5: Solve for x
    x = 643,717,807,630.69/916,750.90
  6. Step 6: Final answer
    x = 702,173.09

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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.