Home / 755,109.60-1,042,075.44-432,880.80

Finding the Fourth Proportional to 755,109.60, 1,042,075.44 and 432,880.80

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Solution

The fourth proportional to 755,109.60, 1,042,075.44 and 432,880.80 is: 597,389.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,109.60 : 1,042,075.44 = 432,880.80 : x
  2. Step 2: Convert to fraction form
    755,109.60/1,042,075.44 = 432,880.80/x
  3. Step 3: Cross multiply
    755,109.60x = 1,042,075.44 × 432,880.80
  4. Step 4: Simplify right side
    755,109.60x = 451,094,450,127.55
  5. Step 5: Solve for x
    x = 451,094,450,127.55/755,109.60
  6. Step 6: Final answer
    x = 597,389.37

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Double scale
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1.5x scale

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.