Home / 746,159.90-1,118,829.45-509,769.50

Finding the Fourth Proportional to 746,159.90, 1,118,829.45 and 509,769.50

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Solution

The fourth proportional to 746,159.90, 1,118,829.45 and 509,769.50 is: 764,373.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,159.90 : 1,118,829.45 = 509,769.50 : x
  2. Step 2: Convert to fraction form
    746,159.90/1,118,829.45 = 509,769.50/x
  3. Step 3: Cross multiply
    746,159.90x = 1,118,829.45 × 509,769.50
  4. Step 4: Simplify right side
    746,159.90x = 570,345,129,311.78
  5. Step 5: Solve for x
    x = 570,345,129,311.78/746,159.90
  6. Step 6: Final answer
    x = 764,373.87

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1.5x scale

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.