Home / 854,071.80-1,178,568.42-472,075.80

Finding the Fourth Proportional to 854,071.80, 1,178,568.42 and 472,075.80

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Solution

The fourth proportional to 854,071.80, 1,178,568.42 and 472,075.80 is: 651,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,071.80 : 1,178,568.42 = 472,075.80 : x
  2. Step 2: Convert to fraction form
    854,071.80/1,178,568.42 = 472,075.80/x
  3. Step 3: Cross multiply
    854,071.80x = 1,178,568.42 × 472,075.80
  4. Step 4: Simplify right side
    854,071.80x = 556,373,629,726.24
  5. Step 5: Solve for x
    x = 556,373,629,726.24/854,071.80
  6. Step 6: Final answer
    x = 651,436.60

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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.