Home / 758,542.65-1,137,980.15-285,228.01

Finding the Fourth Proportional to 758,542.65, 1,137,980.15 and 285,228.01

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Solution

The fourth proportional to 758,542.65, 1,137,980.15 and 285,228.01 is: 427,904.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,542.65 : 1,137,980.15 = 285,228.01 : x
  2. Step 2: Convert to fraction form
    758,542.65/1,137,980.15 = 285,228.01/x
  3. Step 3: Cross multiply
    758,542.65x = 1,137,980.15 × 285,228.01
  4. Step 4: Simplify right side
    758,542.65x = 324,583,813,604.00
  5. Step 5: Solve for x
    x = 324,583,813,604.00/758,542.65
  6. Step 6: Final answer
    x = 427,904.50

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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.