Home / 764,277.70-1,145,104.35-497,901.10

Finding the Fourth Proportional to 764,277.70, 1,145,104.35 and 497,901.10

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Solution

The fourth proportional to 764,277.70, 1,145,104.35 and 497,901.10 is: 745,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,277.70 : 1,145,104.35 = 497,901.10 : x
  2. Step 2: Convert to fraction form
    764,277.70/1,145,104.35 = 497,901.10/x
  3. Step 3: Cross multiply
    764,277.70x = 1,145,104.35 × 497,901.10
  4. Step 4: Simplify right side
    764,277.70x = 570,148,715,479.79
  5. Step 5: Solve for x
    x = 570,148,715,479.79/764,277.70
  6. Step 6: Final answer
    x = 745,996.80

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Double scale
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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.