Home / 750,075.36-1,035,096.68-405,903.93

Finding the Fourth Proportional to 750,075.36, 1,035,096.68 and 405,903.93

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Solution

The fourth proportional to 750,075.36, 1,035,096.68 and 405,903.93 is: 560,143.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,075.36 : 1,035,096.68 = 405,903.93 : x
  2. Step 2: Convert to fraction form
    750,075.36/1,035,096.68 = 405,903.93/x
  3. Step 3: Cross multiply
    750,075.36x = 1,035,096.68 × 405,903.93
  4. Step 4: Simplify right side
    750,075.36x = 420,149,808,312.43
  5. Step 5: Solve for x
    x = 420,149,808,312.43/750,075.36
  6. Step 6: Final answer
    x = 560,143.46

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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.