Home / 983,992.64-1,357,867.88-548,386.80

Finding the Fourth Proportional to 983,992.64, 1,357,867.88 and 548,386.80

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Solution

The fourth proportional to 983,992.64, 1,357,867.88 and 548,386.80 is: 756,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,992.64 : 1,357,867.88 = 548,386.80 : x
  2. Step 2: Convert to fraction form
    983,992.64/1,357,867.88 = 548,386.80/x
  3. Step 3: Cross multiply
    983,992.64x = 1,357,867.88 × 548,386.80
  4. Step 4: Simplify right side
    983,992.64x = 744,636,820,850.50
  5. Step 5: Solve for x
    x = 744,636,820,850.50/983,992.64
  6. Step 6: Final answer
    x = 756,750.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.