Home / 897,720.20-1,237,733.34-574,899.56

Finding the Fourth Proportional to 897,720.20, 1,237,733.34 and 574,899.56

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Solution

The fourth proportional to 897,720.20, 1,237,733.34 and 574,899.56 is: 792,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,720.20 : 1,237,733.34 = 574,899.56 : x
  2. Step 2: Convert to fraction form
    897,720.20/1,237,733.34 = 574,899.56/x
  3. Step 3: Cross multiply
    897,720.20x = 1,237,733.34 × 574,899.56
  4. Step 4: Simplify right side
    897,720.20x = 711,572,346,374.66
  5. Step 5: Solve for x
    x = 711,572,346,374.66/897,720.20
  6. Step 6: Final answer
    x = 792,643.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.