Home / 788,588.40-1,182,882.60-517,983.60

Finding the Fourth Proportional to 788,588.40, 1,182,882.60 and 517,983.60

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Solution

The fourth proportional to 788,588.40, 1,182,882.60 and 517,983.60 is: 776,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,588.40 : 1,182,882.60 = 517,983.60 : x
  2. Step 2: Convert to fraction form
    788,588.40/1,182,882.60 = 517,983.60/x
  3. Step 3: Cross multiply
    788,588.40x = 1,182,882.60 × 517,983.60
  4. Step 4: Simplify right side
    788,588.40x = 612,713,787,525.36
  5. Step 5: Solve for x
    x = 612,713,787,525.36/788,588.40
  6. Step 6: Final answer
    x = 776,975.40

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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.