Home / 971,784.78-1,341,091.40-542,055.62

Finding the Fourth Proportional to 971,784.78, 1,341,091.40 and 542,055.62

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Solution

The fourth proportional to 971,784.78, 1,341,091.40 and 542,055.62 is: 748,052.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,784.78 : 1,341,091.40 = 542,055.62 : x
  2. Step 2: Convert to fraction form
    971,784.78/1,341,091.40 = 542,055.62/x
  3. Step 3: Cross multiply
    971,784.78x = 1,341,091.40 × 542,055.62
  4. Step 4: Simplify right side
    971,784.78x = 726,946,120,887.93
  5. Step 5: Solve for x
    x = 726,946,120,887.93/971,784.78
  6. Step 6: Final answer
    x = 748,052.59

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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.