Home / 841,282.08-1,160,998.56-478,760.64

Finding the Fourth Proportional to 841,282.08, 1,160,998.56 and 478,760.64

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Solution

The fourth proportional to 841,282.08, 1,160,998.56 and 478,760.64 is: 660,706.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,282.08 : 1,160,998.56 = 478,760.64 : x
  2. Step 2: Convert to fraction form
    841,282.08/1,160,998.56 = 478,760.64/x
  3. Step 3: Cross multiply
    841,282.08x = 1,160,998.56 × 478,760.64
  4. Step 4: Simplify right side
    841,282.08x = 555,840,413,624.68
  5. Step 5: Solve for x
    x = 555,840,413,624.68/841,282.08
  6. Step 6: Final answer
    x = 660,706.35

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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.