Home / 971,621.21-1,457,618.61-372,535.64

Finding the Fourth Proportional to 971,621.21, 1,457,618.61 and 372,535.64

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Solution

The fourth proportional to 971,621.21, 1,457,618.61 and 372,535.64 is: 558,875.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,621.21 : 1,457,618.61 = 372,535.64 : x
  2. Step 2: Convert to fraction form
    971,621.21/1,457,618.61 = 372,535.64/x
  3. Step 3: Cross multiply
    971,621.21x = 1,457,618.61 × 372,535.64
  4. Step 4: Simplify right side
    971,621.21x = 543,014,874,464.17
  5. Step 5: Solve for x
    x = 543,014,874,464.17/971,621.21
  6. Step 6: Final answer
    x = 558,875.08

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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.