Home / 746,159.40-1,118,828.70-509,769

Finding the Fourth Proportional to 746,159.40, 1,118,828.70 and 509,769

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Solution

The fourth proportional to 746,159.40, 1,118,828.70 and 509,769 is: 764,373.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,159.40 : 1,118,828.70 = 509,769 : x
  2. Step 2: Convert to fraction form
    746,159.40/1,118,828.70 = 509,769/x
  3. Step 3: Cross multiply
    746,159.40x = 1,118,828.70 × 509,769
  4. Step 4: Simplify right side
    746,159.40x = 570,344,187,570.30
  5. Step 5: Solve for x
    x = 570,344,187,570.30/746,159.40
  6. Step 6: Final answer
    x = 764,373.12

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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.