Home / 972,145.80-1,457,781.30-372,907.80

Finding the Fourth Proportional to 972,145.80, 1,457,781.30 and 372,907.80

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Solution

The fourth proportional to 972,145.80, 1,457,781.30 and 372,907.80 is: 559,193.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,145.80 : 1,457,781.30 = 372,907.80 : x
  2. Step 2: Convert to fraction form
    972,145.80/1,457,781.30 = 372,907.80/x
  3. Step 3: Cross multiply
    972,145.80x = 1,457,781.30 × 372,907.80
  4. Step 4: Simplify right side
    972,145.80x = 543,618,017,464.14
  5. Step 5: Solve for x
    x = 543,618,017,464.14/972,145.80
  6. Step 6: Final answer
    x = 559,193.92

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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.