Home / 670,533.10-1,004,487.45-403,500.40

Finding the Fourth Proportional to 670,533.10, 1,004,487.45 and 403,500.40

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Solution

The fourth proportional to 670,533.10, 1,004,487.45 and 403,500.40 is: 604,460.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,533.10 : 1,004,487.45 = 403,500.40 : x
  2. Step 2: Convert to fraction form
    670,533.10/1,004,487.45 = 403,500.40/x
  3. Step 3: Cross multiply
    670,533.10x = 1,004,487.45 × 403,500.40
  4. Step 4: Simplify right side
    670,533.10x = 405,311,087,869.98
  5. Step 5: Solve for x
    x = 405,311,087,869.98/670,533.10
  6. Step 6: Final answer
    x = 604,460.97

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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.