Home / 983,284.58-1,356,928.80-553,565.54

Finding the Fourth Proportional to 983,284.58, 1,356,928.80 and 553,565.54

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Solution

The fourth proportional to 983,284.58, 1,356,928.80 and 553,565.54 is: 763,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,284.58 : 1,356,928.80 = 553,565.54 : x
  2. Step 2: Convert to fraction form
    983,284.58/1,356,928.80 = 553,565.54/x
  3. Step 3: Cross multiply
    983,284.58x = 1,356,928.80 × 553,565.54
  4. Step 4: Simplify right side
    983,284.58x = 751,149,023,913.55
  5. Step 5: Solve for x
    x = 751,149,023,913.55/983,284.58
  6. Step 6: Final answer
    x = 763,918.24

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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.