Home / 830,123.96-1,243,397.38-562,415.80

Finding the Fourth Proportional to 830,123.96, 1,243,397.38 and 562,415.80

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Solution

The fourth proportional to 830,123.96, 1,243,397.38 and 562,415.80 is: 842,411.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,123.96 : 1,243,397.38 = 562,415.80 : x
  2. Step 2: Convert to fraction form
    830,123.96/1,243,397.38 = 562,415.80/x
  3. Step 3: Cross multiply
    830,123.96x = 1,243,397.38 × 562,415.80
  4. Step 4: Simplify right side
    830,123.96x = 699,306,332,190.60
  5. Step 5: Solve for x
    x = 699,306,332,190.60/830,123.96
  6. Step 6: Final answer
    x = 842,411.94

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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.