Home / 987,901.50-1,482,525.34-455,426.94

Finding the Fourth Proportional to 987,901.50, 1,482,525.34 and 455,426.94

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Solution

The fourth proportional to 987,901.50, 1,482,525.34 and 455,426.94 is: 683,450.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,901.50 : 1,482,525.34 = 455,426.94 : x
  2. Step 2: Convert to fraction form
    987,901.50/1,482,525.34 = 455,426.94/x
  3. Step 3: Cross multiply
    987,901.50x = 1,482,525.34 × 455,426.94
  4. Step 4: Simplify right side
    987,901.50x = 675,181,979,068.66
  5. Step 5: Solve for x
    x = 675,181,979,068.66/987,901.50
  6. Step 6: Final answer
    x = 683,450.71

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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.