Home / 774,139.20-1,159,653.60-537,748.80

Finding the Fourth Proportional to 774,139.20, 1,159,653.60 and 537,748.80

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Solution

The fourth proportional to 774,139.20, 1,159,653.60 and 537,748.80 is: 805,542.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,139.20 : 1,159,653.60 = 537,748.80 : x
  2. Step 2: Convert to fraction form
    774,139.20/1,159,653.60 = 537,748.80/x
  3. Step 3: Cross multiply
    774,139.20x = 1,159,653.60 × 537,748.80
  4. Step 4: Simplify right side
    774,139.20x = 623,602,331,815.68
  5. Step 5: Solve for x
    x = 623,602,331,815.68/774,139.20
  6. Step 6: Final answer
    x = 805,542.89

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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.