Home / 779,463.40-1,075,750.24-648,409.54

Finding the Fourth Proportional to 779,463.40, 1,075,750.24 and 648,409.54

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Solution

The fourth proportional to 779,463.40, 1,075,750.24 and 648,409.54 is: 894,880.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,463.40 : 1,075,750.24 = 648,409.54 : x
  2. Step 2: Convert to fraction form
    779,463.40/1,075,750.24 = 648,409.54/x
  3. Step 3: Cross multiply
    779,463.40x = 1,075,750.24 × 648,409.54
  4. Step 4: Simplify right side
    779,463.40x = 697,526,718,273.29
  5. Step 5: Solve for x
    x = 697,526,718,273.29/779,463.40
  6. Step 6: Final answer
    x = 894,880.66

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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.