Home / 912,290.85-1,258,910.51-504,368.91

Finding the Fourth Proportional to 912,290.85, 1,258,910.51 and 504,368.91

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Solution

The fourth proportional to 912,290.85, 1,258,910.51 and 504,368.91 is: 696,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,290.85 : 1,258,910.51 = 504,368.91 : x
  2. Step 2: Convert to fraction form
    912,290.85/1,258,910.51 = 504,368.91/x
  3. Step 3: Cross multiply
    912,290.85x = 1,258,910.51 × 504,368.91
  4. Step 4: Simplify right side
    912,290.85x = 634,955,319,194.40
  5. Step 5: Solve for x
    x = 634,955,319,194.40/912,290.85
  6. Step 6: Final answer
    x = 696,000.97

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