Home / 905,075.76-1,357,592.64-455,675.97

Finding the Fourth Proportional to 905,075.76, 1,357,592.64 and 455,675.97

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Solution

The fourth proportional to 905,075.76, 1,357,592.64 and 455,675.97 is: 683,503.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,075.76 : 1,357,592.64 = 455,675.97 : x
  2. Step 2: Convert to fraction form
    905,075.76/1,357,592.64 = 455,675.97/x
  3. Step 3: Cross multiply
    905,075.76x = 1,357,592.64 × 455,675.97
  4. Step 4: Simplify right side
    905,075.76x = 618,622,343,096.86
  5. Step 5: Solve for x
    x = 618,622,343,096.86/905,075.76
  6. Step 6: Final answer
    x = 683,503.38

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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.