Home / 748,907.60-1,123,361.40-275,608.40

Finding the Fourth Proportional to 748,907.60, 1,123,361.40 and 275,608.40

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Solution

The fourth proportional to 748,907.60, 1,123,361.40 and 275,608.40 is: 413,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,907.60 : 1,123,361.40 = 275,608.40 : x
  2. Step 2: Convert to fraction form
    748,907.60/1,123,361.40 = 275,608.40/x
  3. Step 3: Cross multiply
    748,907.60x = 1,123,361.40 × 275,608.40
  4. Step 4: Simplify right side
    748,907.60x = 309,607,838,075.76
  5. Step 5: Solve for x
    x = 309,607,838,075.76/748,907.60
  6. Step 6: Final answer
    x = 413,412.60

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Double scale
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Similar ratio
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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.