Home / 913,552.40-1,371,559.80-534,861.20

Finding the Fourth Proportional to 913,552.40, 1,371,559.80 and 534,861.20

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Solution

The fourth proportional to 913,552.40, 1,371,559.80 and 534,861.20 is: 803,012.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,552.40 : 1,371,559.80 = 534,861.20 : x
  2. Step 2: Convert to fraction form
    913,552.40/1,371,559.80 = 534,861.20/x
  3. Step 3: Cross multiply
    913,552.40x = 1,371,559.80 × 534,861.20
  4. Step 4: Simplify right side
    913,552.40x = 733,594,120,499.76
  5. Step 5: Solve for x
    x = 733,594,120,499.76/913,552.40
  6. Step 6: Final answer
    x = 803,012.64

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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.