Home / 1,007,520.80-1,510,928.40-297,360.80

Finding the Fourth Proportional to 1,007,520.80, 1,510,928.40 and 297,360.80

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Solution

The fourth proportional to 1,007,520.80, 1,510,928.40 and 297,360.80 is: 445,937.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,520.80 : 1,510,928.40 = 297,360.80 : x
  2. Step 2: Convert to fraction form
    1,007,520.80/1,510,928.40 = 297,360.80/x
  3. Step 3: Cross multiply
    1,007,520.80x = 1,510,928.40 × 297,360.80
  4. Step 4: Simplify right side
    1,007,520.80x = 449,290,877,766.72
  5. Step 5: Solve for x
    x = 449,290,877,766.72/1,007,520.80
  6. Step 6: Final answer
    x = 445,937.07

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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.