Home / 780,074.73-1,168,009.50-509,532.92

Finding the Fourth Proportional to 780,074.73, 1,168,009.50 and 509,532.92

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Solution

The fourth proportional to 780,074.73, 1,168,009.50 and 509,532.92 is: 762,926.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,074.73 : 1,168,009.50 = 509,532.92 : x
  2. Step 2: Convert to fraction form
    780,074.73/1,168,009.50 = 509,532.92/x
  3. Step 3: Cross multiply
    780,074.73x = 1,168,009.50 × 509,532.92
  4. Step 4: Simplify right side
    780,074.73x = 595,139,291,122.74
  5. Step 5: Solve for x
    x = 595,139,291,122.74/780,074.73
  6. Step 6: Final answer
    x = 762,926.00

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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.