Home / 654,946.80-982,073.04-402,342.88

Finding the Fourth Proportional to 654,946.80, 982,073.04 and 402,342.88

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Solution

The fourth proportional to 654,946.80, 982,073.04 and 402,342.88 is: 603,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,946.80 : 982,073.04 = 402,342.88 : x
  2. Step 2: Convert to fraction form
    654,946.80/982,073.04 = 402,342.88/x
  3. Step 3: Cross multiply
    654,946.80x = 982,073.04 × 402,342.88
  4. Step 4: Simplify right side
    654,946.80x = 395,130,095,283.96
  5. Step 5: Solve for x
    x = 395,130,095,283.96/654,946.80
  6. Step 6: Final answer
    x = 603,301.05

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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.