Home / 1,570,254.80-2,355,382.20-388,302.80

Finding the Fourth Proportional to 1,570,254.80, 2,355,382.20 and 388,302.80

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Solution

The fourth proportional to 1,570,254.80, 2,355,382.20 and 388,302.80 is: 582,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,254.80 : 2,355,382.20 = 388,302.80 : x
  2. Step 2: Convert to fraction form
    1,570,254.80/2,355,382.20 = 388,302.80/x
  3. Step 3: Cross multiply
    1,570,254.80x = 2,355,382.20 × 388,302.80
  4. Step 4: Simplify right side
    1,570,254.80x = 914,601,503,330.16
  5. Step 5: Solve for x
    x = 914,601,503,330.16/1,570,254.80
  6. Step 6: Final answer
    x = 582,454.20

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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.