Home / 936,075.42-1,404,105.84-486,564.30

Finding the Fourth Proportional to 936,075.42, 1,404,105.84 and 486,564.30

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Solution

The fourth proportional to 936,075.42, 1,404,105.84 and 486,564.30 is: 729,842.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,075.42 : 1,404,105.84 = 486,564.30 : x
  2. Step 2: Convert to fraction form
    936,075.42/1,404,105.84 = 486,564.30/x
  3. Step 3: Cross multiply
    936,075.42x = 1,404,105.84 × 486,564.30
  4. Step 4: Simplify right side
    936,075.42x = 683,187,775,165.51
  5. Step 5: Solve for x
    x = 683,187,775,165.51/936,075.42
  6. Step 6: Final answer
    x = 729,842.66

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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.