Home / 717,562.40-1,075,954.80-296,880.80

Finding the Fourth Proportional to 717,562.40, 1,075,954.80 and 296,880.80

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Solution

The fourth proportional to 717,562.40, 1,075,954.80 and 296,880.80 is: 445,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,562.40 : 1,075,954.80 = 296,880.80 : x
  2. Step 2: Convert to fraction form
    717,562.40/1,075,954.80 = 296,880.80/x
  3. Step 3: Cross multiply
    717,562.40x = 1,075,954.80 × 296,880.80
  4. Step 4: Simplify right side
    717,562.40x = 319,430,321,787.84
  5. Step 5: Solve for x
    x = 319,430,321,787.84/717,562.40
  6. Step 6: Final answer
    x = 445,160.34

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1.5x scale

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.