Home / 891,941.60-1,338,281.76-492,546.80

Finding the Fourth Proportional to 891,941.60, 1,338,281.76 and 492,546.80

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Solution

The fourth proportional to 891,941.60, 1,338,281.76 and 492,546.80 is: 739,024.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,941.60 : 1,338,281.76 = 492,546.80 : x
  2. Step 2: Convert to fraction form
    891,941.60/1,338,281.76 = 492,546.80/x
  3. Step 3: Cross multiply
    891,941.60x = 1,338,281.76 × 492,546.80
  4. Step 4: Simplify right side
    891,941.60x = 659,166,398,386.37
  5. Step 5: Solve for x
    x = 659,166,398,386.37/891,941.60
  6. Step 6: Final answer
    x = 739,024.17

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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.