Home / 802,160.37-1,107,484.65-516,177.45

Finding the Fourth Proportional to 802,160.37, 1,107,484.65 and 516,177.45

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Solution

The fourth proportional to 802,160.37, 1,107,484.65 and 516,177.45 is: 712,648.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,160.37 : 1,107,484.65 = 516,177.45 : x
  2. Step 2: Convert to fraction form
    802,160.37/1,107,484.65 = 516,177.45/x
  3. Step 3: Cross multiply
    802,160.37x = 1,107,484.65 × 516,177.45
  4. Step 4: Simplify right side
    802,160.37x = 571,658,602,551.14
  5. Step 5: Solve for x
    x = 571,658,602,551.14/802,160.37
  6. Step 6: Final answer
    x = 712,648.77

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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.