Home / 972,045.24-1,457,899.83-439,442.52

Finding the Fourth Proportional to 972,045.24, 1,457,899.83 and 439,442.52

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Solution

The fourth proportional to 972,045.24, 1,457,899.83 and 439,442.52 is: 659,087.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,045.24 : 1,457,899.83 = 439,442.52 : x
  2. Step 2: Convert to fraction form
    972,045.24/1,457,899.83 = 439,442.52/x
  3. Step 3: Cross multiply
    972,045.24x = 1,457,899.83 × 439,442.52
  4. Step 4: Simplify right side
    972,045.24x = 640,663,175,202.77
  5. Step 5: Solve for x
    x = 640,663,175,202.77/972,045.24
  6. Step 6: Final answer
    x = 659,087.82

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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.