Home / 755,075.28-1,132,611.76-517,698.32

Finding the Fourth Proportional to 755,075.28, 1,132,611.76 and 517,698.32

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Solution

The fourth proportional to 755,075.28, 1,132,611.76 and 517,698.32 is: 776,546.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,075.28 : 1,132,611.76 = 517,698.32 : x
  2. Step 2: Convert to fraction form
    755,075.28/1,132,611.76 = 517,698.32/x
  3. Step 3: Cross multiply
    755,075.28x = 1,132,611.76 × 517,698.32
  4. Step 4: Simplify right side
    755,075.28x = 586,351,205,364.24
  5. Step 5: Solve for x
    x = 586,351,205,364.24/755,075.28
  6. Step 6: Final answer
    x = 776,546.68

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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.