Home / 774,424.55-1,161,237.96-347,594.46

Finding the Fourth Proportional to 774,424.55, 1,161,237.96 and 347,594.46

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Solution

The fourth proportional to 774,424.55, 1,161,237.96 and 347,594.46 is: 521,212.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,424.55 : 1,161,237.96 = 347,594.46 : x
  2. Step 2: Convert to fraction form
    774,424.55/1,161,237.96 = 347,594.46/x
  3. Step 3: Cross multiply
    774,424.55x = 1,161,237.96 × 347,594.46
  4. Step 4: Simplify right side
    774,424.55x = 403,639,881,637.70
  5. Step 5: Solve for x
    x = 403,639,881,637.70/774,424.55
  6. Step 6: Final answer
    x = 521,212.66

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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.