Home / 891,925.40-1,336,073.70-553,928.60

Finding the Fourth Proportional to 891,925.40, 1,336,073.70 and 553,928.60

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Solution

The fourth proportional to 891,925.40, 1,336,073.70 and 553,928.60 is: 829,766.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,925.40 : 1,336,073.70 = 553,928.60 : x
  2. Step 2: Convert to fraction form
    891,925.40/1,336,073.70 = 553,928.60/x
  3. Step 3: Cross multiply
    891,925.40x = 1,336,073.70 × 553,928.60
  4. Step 4: Simplify right side
    891,925.40x = 740,089,434,137.82
  5. Step 5: Solve for x
    x = 740,089,434,137.82/891,925.40
  6. Step 6: Final answer
    x = 829,766.07

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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.