Home / 854,402.42-1,179,075.65-486,869.04

Finding the Fourth Proportional to 854,402.42, 1,179,075.65 and 486,869.04

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Solution

The fourth proportional to 854,402.42, 1,179,075.65 and 486,869.04 is: 671,879.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,402.42 : 1,179,075.65 = 486,869.04 : x
  2. Step 2: Convert to fraction form
    854,402.42/1,179,075.65 = 486,869.04/x
  3. Step 3: Cross multiply
    854,402.42x = 1,179,075.65 × 486,869.04
  4. Step 4: Simplify right side
    854,402.42x = 574,055,434,640.08
  5. Step 5: Solve for x
    x = 574,055,434,640.08/854,402.42
  6. Step 6: Final answer
    x = 671,879.45

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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.